Alright, let's solve this math problem step by step. First, we have the number 144. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 240. So, we're going to take the number 144 and add it to itself 240 times.
Step 1: 0 + 144 = 144
Step 2: 144 + 144 = 288
Step 3: 288 + 144 = 432
Step 4: 432 + 144 = 576
Step 5: 576 + 144 = 720
Step 6: 720 + 144 = 864
Step 7: 864 + 144 = 1008
Step 8: 1008 + 144 = 1152
Step 9: 1152 + 144 = 1296
Step 10: 1296 + 144 = 1440
Step 11: 1440 + 144 = 1584
Step 12: 1584 + 144 = 1728
Step 13: 1728 + 144 = 1872
Step 14: 1872 + 144 = 2016
Step 15: 2016 + 144 = 2160
Step 16: 2160 + 144 = 2304
Step 17: 2304 + 144 = 2448
Step 18: 2448 + 144 = 2592
Step 19: 2592 + 144 = 2736
Step 20: 2736 + 144 = 2880
Step 21: 2880 + 144 = 3024
Step 22: 3024 + 144 = 3168
Step 23: 3168 + 144 = 3312
Step 24: 3312 + 144 = 3456
Step 25: 3456 + 144 = 3600
Step 26: 3600 + 144 = 3744
Step 27: 3744 + 144 = 3888
Step 28: 3888 + 144 = 4032
Step 29: 4032 + 144 = 4176
Step 30: 4176 + 144 = 4320
Step 31: 4320 + 144 = 4464
Step 32: 4464 + 144 = 4608
Step 33: 4608 + 144 = 4752
Step 34: 4752 + 144 = 4896
Step 35: 4896 + 144 = 5040
Step 36: 5040 + 144 = 5184
Step 37: 5184 + 144 = 5328
Step 38: 5328 + 144 = 5472
Step 39: 5472 + 144 = 5616
Step 40: 5616 + 144 = 5760
Step 41: 5760 + 144 = 5904
Step 42: 5904 + 144 = 6048
Step 43: 6048 + 144 = 6192
Step 44: 6192 + 144 = 6336
Step 45: 6336 + 144 = 6480
Step 46: 6480 + 144 = 6624
Step 47: 6624 + 144 = 6768
Step 48: 6768 + 144 = 6912
Step 49: 6912 + 144 = 7056
Step 50: 7056 + 144 = 7200
Step 51: 7200 + 144 = 7344
Step 52: 7344 + 144 = 7488
Step 53: 7488 + 144 = 7632
Step 54: 7632 + 144 = 7776
Step 55: 7776 + 144 = 7920
Step 56: 7920 + 144 = 8064
Step 57: 8064 + 144 = 8208
Step 58: 8208 + 144 = 8352
Step 59: 8352 + 144 = 8496
Step 60: 8496 + 144 = 8640
Step 61: 8640 + 144 = 8784
Step 62: 8784 + 144 = 8928
Step 63: 8928 + 144 = 9072
Step 64: 9072 + 144 = 9216
Step 65: 9216 + 144 = 9360
Step 66: 9360 + 144 = 9504
Step 67: 9504 + 144 = 9648
Step 68: 9648 + 144 = 9792
Step 69: 9792 + 144 = 9936
Step 70: 9936 + 144 = 10080
Step 71: 10080 + 144 = 10224
Step 72: 10224 + 144 = 10368
Step 73: 10368 + 144 = 10512
Step 74: 10512 + 144 = 10656
Step 75: 10656 + 144 = 10800
Step 76: 10800 + 144 = 10944
Step 77: 10944 + 144 = 11088
Step 78: 11088 + 144 = 11232
Step 79: 11232 + 144 = 11376
Step 80: 11376 + 144 = 11520
Step 81: 11520 + 144 = 11664
Step 82: 11664 + 144 = 11808
Step 83: 11808 + 144 = 11952
Step 84: 11952 + 144 = 12096
Step 85: 12096 + 144 = 12240
Step 86: 12240 + 144 = 12384
Step 87: 12384 + 144 = 12528
Step 88: 12528 + 144 = 12672
Step 89: 12672 + 144 = 12816
Step 90: 12816 + 144 = 12960
Step 91: 12960 + 144 = 13104
Step 92: 13104 + 144 = 13248
Step 93: 13248 + 144 = 13392
Step 94: 13392 + 144 = 13536
Step 95: 13536 + 144 = 13680
Step 96: 13680 + 144 = 13824
Step 97: 13824 + 144 = 13968
Step 98: 13968 + 144 = 14112
Step 99: 14112 + 144 = 14256
Step 100: 14256 + 144 = 14400
Step 101: 14400 + 144 = 14544
Step 102: 14544 + 144 = 14688
Step 103: 14688 + 144 = 14832
Step 104: 14832 + 144 = 14976
Step 105: 14976 + 144 = 15120
Step 106: 15120 + 144 = 15264
Step 107: 15264 + 144 = 15408
Step 108: 15408 + 144 = 15552
Step 109: 15552 + 144 = 15696
Step 110: 15696 + 144 = 15840
Step 111: 15840 + 144 = 15984
Step 112: 15984 + 144 = 16128
Step 113: 16128 + 144 = 16272
Step 114: 16272 + 144 = 16416
Step 115: 16416 + 144 = 16560
Step 116: 16560 + 144 = 16704
Step 117: 16704 + 144 = 16848
Step 118: 16848 + 144 = 16992
Step 119: 16992 + 144 = 17136
Step 120: 17136 + 144 = 17280
Step 121: 17280 + 144 = 17424
Step 122: 17424 + 144 = 17568
Step 123: 17568 + 144 = 17712
Step 124: 17712 + 144 = 17856
Step 125: 17856 + 144 = 18000
Step 126: 18000 + 144 = 18144
Step 127: 18144 + 144 = 18288
Step 128: 18288 + 144 = 18432
Step 129: 18432 + 144 = 18576
Step 130: 18576 + 144 = 18720
Step 131: 18720 + 144 = 18864
Step 132: 18864 + 144 = 19008
Step 133: 19008 + 144 = 19152
Step 134: 19152 + 144 = 19296
Step 135: 19296 + 144 = 19440
Step 136: 19440 + 144 = 19584
Step 137: 19584 + 144 = 19728
Step 138: 19728 + 144 = 19872
Step 139: 19872 + 144 = 20016
Step 140: 20016 + 144 = 20160
Step 141: 20160 + 144 = 20304
Step 142: 20304 + 144 = 20448
Step 143: 20448 + 144 = 20592
Step 144: 20592 + 144 = 20736
Step 145: 20736 + 144 = 20880
Step 146: 20880 + 144 = 21024
Step 147: 21024 + 144 = 21168
Step 148: 21168 + 144 = 21312
Step 149: 21312 + 144 = 21456
Step 150: 21456 + 144 = 21600
Step 151: 21600 + 144 = 21744
Step 152: 21744 + 144 = 21888
Step 153: 21888 + 144 = 22032
Step 154: 22032 + 144 = 22176
Step 155: 22176 + 144 = 22320
Step 156: 22320 + 144 = 22464
Step 157: 22464 + 144 = 22608
Step 158: 22608 + 144 = 22752
Step 159: 22752 + 144 = 22896
Step 160: 22896 + 144 = 23040
Step 161: 23040 + 144 = 23184
Step 162: 23184 + 144 = 23328
Step 163: 23328 + 144 = 23472
Step 164: 23472 + 144 = 23616
Step 165: 23616 + 144 = 23760
Step 166: 23760 + 144 = 23904
Step 167: 23904 + 144 = 24048
Step 168: 24048 + 144 = 24192
Step 169: 24192 + 144 = 24336
Step 170: 24336 + 144 = 24480
Step 171: 24480 + 144 = 24624
Step 172: 24624 + 144 = 24768
Step 173: 24768 + 144 = 24912
Step 174: 24912 + 144 = 25056
Step 175: 25056 + 144 = 25200
Step 176: 25200 + 144 = 25344
Step 177: 25344 + 144 = 25488
Step 178: 25488 + 144 = 25632
Step 179: 25632 + 144 = 25776
Step 180: 25776 + 144 = 25920
Step 181: 25920 + 144 = 26064
Step 182: 26064 + 144 = 26208
Step 183: 26208 + 144 = 26352
Step 184: 26352 + 144 = 26496
Step 185: 26496 + 144 = 26640
Step 186: 26640 + 144 = 26784
Step 187: 26784 + 144 = 26928
Step 188: 26928 + 144 = 27072
Step 189: 27072 + 144 = 27216
Step 190: 27216 + 144 = 27360
Step 191: 27360 + 144 = 27504
Step 192: 27504 + 144 = 27648
Step 193: 27648 + 144 = 27792
Step 194: 27792 + 144 = 27936
Step 195: 27936 + 144 = 28080
Step 196: 28080 + 144 = 28224
Step 197: 28224 + 144 = 28368
Step 198: 28368 + 144 = 28512
Step 199: 28512 + 144 = 28656
Step 200: 28656 + 144 = 28800
Step 201: 28800 + 144 = 28944
Step 202: 28944 + 144 = 29088
Step 203: 29088 + 144 = 29232
Step 204: 29232 + 144 = 29376
Step 205: 29376 + 144 = 29520
Step 206: 29520 + 144 = 29664
Step 207: 29664 + 144 = 29808
Step 208: 29808 + 144 = 29952
Step 209: 29952 + 144 = 30096
Step 210: 30096 + 144 = 30240
Step 211: 30240 + 144 = 30384
Step 212: 30384 + 144 = 30528
Step 213: 30528 + 144 = 30672
Step 214: 30672 + 144 = 30816
Step 215: 30816 + 144 = 30960
Step 216: 30960 + 144 = 31104
Step 217: 31104 + 144 = 31248
Step 218: 31248 + 144 = 31392
Step 219: 31392 + 144 = 31536
Step 220: 31536 + 144 = 31680
Step 221: 31680 + 144 = 31824
Step 222: 31824 + 144 = 31968
Step 223: 31968 + 144 = 32112
Step 224: 32112 + 144 = 32256
Step 225: 32256 + 144 = 32400
Step 226: 32400 + 144 = 32544
Step 227: 32544 + 144 = 32688
Step 228: 32688 + 144 = 32832
Step 229: 32832 + 144 = 32976
Step 230: 32976 + 144 = 33120
Step 231: 33120 + 144 = 33264
Step 232: 33264 + 144 = 33408
Step 233: 33408 + 144 = 33552
Step 234: 33552 + 144 = 33696
Step 235: 33696 + 144 = 33840
Step 236: 33840 + 144 = 33984
Step 237: 33984 + 144 = 34128
Step 238: 34128 + 144 = 34272
Step 239: 34272 + 144 = 34416
Step 240: 34416 + 144 = 34560

So, 144*240 = 34560