Sure thing! We've got 60 and we're gonna multiply it by 255. That's the same as adding 60 to itself 255 times.
Step 1: 0 + 60 = 60
Step 2: 60 + 60 = 120
Step 3: 120 + 60 = 180
Step 4: 180 + 60 = 240
Step 5: 240 + 60 = 300
Step 6: 300 + 60 = 360
Step 7: 360 + 60 = 420
Step 8: 420 + 60 = 480
Step 9: 480 + 60 = 540
Step 10: 540 + 60 = 600
Step 11: 600 + 60 = 660
Step 12: 660 + 60 = 720
Step 13: 720 + 60 = 780
Step 14: 780 + 60 = 840
Step 15: 840 + 60 = 900
Step 16: 900 + 60 = 960
Step 17: 960 + 60 = 1020
Step 18: 1020 + 60 = 1080
Step 19: 1080 + 60 = 1140
Step 20: 1140 + 60 = 1200
Step 21: 1200 + 60 = 1260
Step 22: 1260 + 60 = 1320
Step 23: 1320 + 60 = 1380
Step 24: 1380 + 60 = 1440
Step 25: 1440 + 60 = 1500
Step 26: 1500 + 60 = 1560
Step 27: 1560 + 60 = 1620
Step 28: 1620 + 60 = 1680
Step 29: 1680 + 60 = 1740
Step 30: 1740 + 60 = 1800
Step 31: 1800 + 60 = 1860
Step 32: 1860 + 60 = 1920
Step 33: 1920 + 60 = 1980
Step 34: 1980 + 60 = 2040
Step 35: 2040 + 60 = 2100
Step 36: 2100 + 60 = 2160
Step 37: 2160 + 60 = 2220
Step 38: 2220 + 60 = 2280
Step 39: 2280 + 60 = 2340
Step 40: 2340 + 60 = 2400
Step 41: 2400 + 60 = 2460
Step 42: 2460 + 60 = 2520
Step 43: 2520 + 60 = 2580
Step 44: 2580 + 60 = 2640
Step 45: 2640 + 60 = 2700
Step 46: 2700 + 60 = 2760
Step 47: 2760 + 60 = 2820
Step 48: 2820 + 60 = 2880
Step 49: 2880 + 60 = 2940
Step 50: 2940 + 60 = 3000
Step 51: 3000 + 60 = 3060
Step 52: 3060 + 60 = 3120
Step 53: 3120 + 60 = 3180
Step 54: 3180 + 60 = 3240
Step 55: 3240 + 60 = 3300
Step 56: 3300 + 60 = 3360
Step 57: 3360 + 60 = 3420
Step 58: 3420 + 60 = 3480
Step 59: 3480 + 60 = 3540
Step 60: 3540 + 60 = 3600
Step 61: 3600 + 60 = 3660
Step 62: 3660 + 60 = 3720
Step 63: 3720 + 60 = 3780
Step 64: 3780 + 60 = 3840
Step 65: 3840 + 60 = 3900
Step 66: 3900 + 60 = 3960
Step 67: 3960 + 60 = 4020
Step 68: 4020 + 60 = 4080
Step 69: 4080 + 60 = 4140
Step 70: 4140 + 60 = 4200
Step 71: 4200 + 60 = 4260
Step 72: 4260 + 60 = 4320
Step 73: 4320 + 60 = 4380
Step 74: 4380 + 60 = 4440
Step 75: 4440 + 60 = 4500
Step 76: 4500 + 60 = 4560
Step 77: 4560 + 60 = 4620
Step 78: 4620 + 60 = 4680
Step 79: 4680 + 60 = 4740
Step 80: 4740 + 60 = 4800
Step 81: 4800 + 60 = 4860
Step 82: 4860 + 60 = 4920
Step 83: 4920 + 60 = 4980
Step 84: 4980 + 60 = 5040
Step 85: 5040 + 60 = 5100
Step 86: 5100 + 60 = 5160
Step 87: 5160 + 60 = 5220
Step 88: 5220 + 60 = 5280
Step 89: 5280 + 60 = 5340
Step 90: 5340 + 60 = 5400
Step 91: 5400 + 60 = 5460
Step 92: 5460 + 60 = 5520
Step 93: 5520 + 60 = 5580
Step 94: 5580 + 60 = 5640
Step 95: 5640 + 60 = 5700
Step 96: 5700 + 60 = 5760
Step 97: 5760 + 60 = 5820
Step 98: 5820 + 60 = 5880
Step 99: 5880 + 60 = 5940
Step 100: 5940 + 60 = 6000
Step 101: 6000 + 60 = 6060
Step 102: 6060 + 60 = 6120
Step 103: 6120 + 60 = 6180
Step 104: 6180 + 60 = 6240
Step 105: 6240 + 60 = 6300
Step 106: 6300 + 60 = 6360
Step 107: 6360 + 60 = 6420
Step 108: 6420 + 60 = 6480
Step 109: 6480 + 60 = 6540
Step 110: 6540 + 60 = 6600
Step 111: 6600 + 60 = 6660
Step 112: 6660 + 60 = 6720
Step 113: 6720 + 60 = 6780
Step 114: 6780 + 60 = 6840
Step 115: 6840 + 60 = 6900
Step 116: 6900 + 60 = 6960
Step 117: 6960 + 60 = 7020
Step 118: 7020 + 60 = 7080
Step 119: 7080 + 60 = 7140
Step 120: 7140 + 60 = 7200
Step 121: 7200 + 60 = 7260
Step 122: 7260 + 60 = 7320
Step 123: 7320 + 60 = 7380
Step 124: 7380 + 60 = 7440
Step 125: 7440 + 60 = 7500
Step 126: 7500 + 60 = 7560
Step 127: 7560 + 60 = 7620
Step 128: 7620 + 60 = 7680
Step 129: 7680 + 60 = 7740
Step 130: 7740 + 60 = 7800
Step 131: 7800 + 60 = 7860
Step 132: 7860 + 60 = 7920
Step 133: 7920 + 60 = 7980
Step 134: 7980 + 60 = 8040
Step 135: 8040 + 60 = 8100
Step 136: 8100 + 60 = 8160
Step 137: 8160 + 60 = 8220
Step 138: 8220 + 60 = 8280
Step 139: 8280 + 60 = 8340
Step 140: 8340 + 60 = 8400
Step 141: 8400 + 60 = 8460
Step 142: 8460 + 60 = 8520
Step 143: 8520 + 60 = 8580
Step 144: 8580 + 60 = 8640
Step 145: 8640 + 60 = 8700
Step 146: 8700 + 60 = 8760
Step 147: 8760 + 60 = 8820
Step 148: 8820 + 60 = 8880
Step 149: 8880 + 60 = 8940
Step 150: 8940 + 60 = 9000
Step 151: 9000 + 60 = 9060
Step 152: 9060 + 60 = 9120
Step 153: 9120 + 60 = 9180
Step 154: 9180 + 60 = 9240
Step 155: 9240 + 60 = 9300
Step 156: 9300 + 60 = 9360
Step 157: 9360 + 60 = 9420
Step 158: 9420 + 60 = 9480
Step 159: 9480 + 60 = 9540
Step 160: 9540 + 60 = 9600
Step 161: 9600 + 60 = 9660
Step 162: 9660 + 60 = 9720
Step 163: 9720 + 60 = 9780
Step 164: 9780 + 60 = 9840
Step 165: 9840 + 60 = 9900
Step 166: 9900 + 60 = 9960
Step 167: 9960 + 60 = 10020
Step 168: 10020 + 60 = 10080
Step 169: 10080 + 60 = 10140
Step 170: 10140 + 60 = 10200
Step 171: 10200 + 60 = 10260
Step 172: 10260 + 60 = 10320
Step 173: 10320 + 60 = 10380
Step 174: 10380 + 60 = 10440
Step 175: 10440 + 60 = 10500
Step 176: 10500 + 60 = 10560
Step 177: 10560 + 60 = 10620
Step 178: 10620 + 60 = 10680
Step 179: 10680 + 60 = 10740
Step 180: 10740 + 60 = 10800
Step 181: 10800 + 60 = 10860
Step 182: 10860 + 60 = 10920
Step 183: 10920 + 60 = 10980
Step 184: 10980 + 60 = 11040
Step 185: 11040 + 60 = 11100
Step 186: 11100 + 60 = 11160
Step 187: 11160 + 60 = 11220
Step 188: 11220 + 60 = 11280
Step 189: 11280 + 60 = 11340
Step 190: 11340 + 60 = 11400
Step 191: 11400 + 60 = 11460
Step 192: 11460 + 60 = 11520
Step 193: 11520 + 60 = 11580
Step 194: 11580 + 60 = 11640
Step 195: 11640 + 60 = 11700
Step 196: 11700 + 60 = 11760
Step 197: 11760 + 60 = 11820
Step 198: 11820 + 60 = 11880
Step 199: 11880 + 60 = 11940
Step 200: 11940 + 60 = 12000
Step 201: 12000 + 60 = 12060
Step 202: 12060 + 60 = 12120
Step 203: 12120 + 60 = 12180
Step 204: 12180 + 60 = 12240
Step 205: 12240 + 60 = 12300
Step 206: 12300 + 60 = 12360
Step 207: 12360 + 60 = 12420
Step 208: 12420 + 60 = 12480
Step 209: 12480 + 60 = 12540
Step 210: 12540 + 60 = 12600
Step 211: 12600 + 60 = 12660
Step 212: 12660 + 60 = 12720
Step 213: 12720 + 60 = 12780
Step 214: 12780 + 60 = 12840
Step 215: 12840 + 60 = 12900
Step 216: 12900 + 60 = 12960
Step 217: 12960 + 60 = 13020
Step 218: 13020 + 60 = 13080
Step 219: 13080 + 60 = 13140
Step 220: 13140 + 60 = 13200
Step 221: 13200 + 60 = 13260
Step 222: 13260 + 60 = 13320
Step 223: 13320 + 60 = 13380
Step 224: 13380 + 60 = 13440
Step 225: 13440 + 60 = 13500
Step 226: 13500 + 60 = 13560
Step 227: 13560 + 60 = 13620
Step 228: 13620 + 60 = 13680
Step 229: 13680 + 60 = 13740
Step 230: 13740 + 60 = 13800
Step 231: 13800 + 60 = 13860
Step 232: 13860 + 60 = 13920
Step 233: 13920 + 60 = 13980
Step 234: 13980 + 60 = 14040
Step 235: 14040 + 60 = 14100
Step 236: 14100 + 60 = 14160
Step 237: 14160 + 60 = 14220
Step 238: 14220 + 60 = 14280
Step 239: 14280 + 60 = 14340
Step 240: 14340 + 60 = 14400
Step 241: 14400 + 60 = 14460
Step 242: 14460 + 60 = 14520
Step 243: 14520 + 60 = 14580
Step 244: 14580 + 60 = 14640
Step 245: 14640 + 60 = 14700
Step 246: 14700 + 60 = 14760
Step 247: 14760 + 60 = 14820
Step 248: 14820 + 60 = 14880
Step 249: 14880 + 60 = 14940
Step 250: 14940 + 60 = 15000
Step 251: 15000 + 60 = 15060
Step 252: 15060 + 60 = 15120
Step 253: 15120 + 60 = 15180
Step 254: 15180 + 60 = 15240
Step 255: 15240 + 60 = 15300

So, 60*255 = 15300