Alright, let's solve this math problem step by step. First, we have the number 720. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 89. So, we're going to take the number 720 and add it to itself 89 times.
Step 1: 0 + 720 = 720
Step 2: 720 + 720 = 1440
Step 3: 1440 + 720 = 2160
Step 4: 2160 + 720 = 2880
Step 5: 2880 + 720 = 3600
Step 6: 3600 + 720 = 4320
Step 7: 4320 + 720 = 5040
Step 8: 5040 + 720 = 5760
Step 9: 5760 + 720 = 6480
Step 10: 6480 + 720 = 7200
Step 11: 7200 + 720 = 7920
Step 12: 7920 + 720 = 8640
Step 13: 8640 + 720 = 9360
Step 14: 9360 + 720 = 10080
Step 15: 10080 + 720 = 10800
Step 16: 10800 + 720 = 11520
Step 17: 11520 + 720 = 12240
Step 18: 12240 + 720 = 12960
Step 19: 12960 + 720 = 13680
Step 20: 13680 + 720 = 14400
Step 21: 14400 + 720 = 15120
Step 22: 15120 + 720 = 15840
Step 23: 15840 + 720 = 16560
Step 24: 16560 + 720 = 17280
Step 25: 17280 + 720 = 18000
Step 26: 18000 + 720 = 18720
Step 27: 18720 + 720 = 19440
Step 28: 19440 + 720 = 20160
Step 29: 20160 + 720 = 20880
Step 30: 20880 + 720 = 21600
Step 31: 21600 + 720 = 22320
Step 32: 22320 + 720 = 23040
Step 33: 23040 + 720 = 23760
Step 34: 23760 + 720 = 24480
Step 35: 24480 + 720 = 25200
Step 36: 25200 + 720 = 25920
Step 37: 25920 + 720 = 26640
Step 38: 26640 + 720 = 27360
Step 39: 27360 + 720 = 28080
Step 40: 28080 + 720 = 28800
Step 41: 28800 + 720 = 29520
Step 42: 29520 + 720 = 30240
Step 43: 30240 + 720 = 30960
Step 44: 30960 + 720 = 31680
Step 45: 31680 + 720 = 32400
Step 46: 32400 + 720 = 33120
Step 47: 33120 + 720 = 33840
Step 48: 33840 + 720 = 34560
Step 49: 34560 + 720 = 35280
Step 50: 35280 + 720 = 36000
Step 51: 36000 + 720 = 36720
Step 52: 36720 + 720 = 37440
Step 53: 37440 + 720 = 38160
Step 54: 38160 + 720 = 38880
Step 55: 38880 + 720 = 39600
Step 56: 39600 + 720 = 40320
Step 57: 40320 + 720 = 41040
Step 58: 41040 + 720 = 41760
Step 59: 41760 + 720 = 42480
Step 60: 42480 + 720 = 43200
Step 61: 43200 + 720 = 43920
Step 62: 43920 + 720 = 44640
Step 63: 44640 + 720 = 45360
Step 64: 45360 + 720 = 46080
Step 65: 46080 + 720 = 46800
Step 66: 46800 + 720 = 47520
Step 67: 47520 + 720 = 48240
Step 68: 48240 + 720 = 48960
Step 69: 48960 + 720 = 49680
Step 70: 49680 + 720 = 50400
Step 71: 50400 + 720 = 51120
Step 72: 51120 + 720 = 51840
Step 73: 51840 + 720 = 52560
Step 74: 52560 + 720 = 53280
Step 75: 53280 + 720 = 54000
Step 76: 54000 + 720 = 54720
Step 77: 54720 + 720 = 55440
Step 78: 55440 + 720 = 56160
Step 79: 56160 + 720 = 56880
Step 80: 56880 + 720 = 57600
Step 81: 57600 + 720 = 58320
Step 82: 58320 + 720 = 59040
Step 83: 59040 + 720 = 59760
Step 84: 59760 + 720 = 60480
Step 85: 60480 + 720 = 61200
Step 86: 61200 + 720 = 61920
Step 87: 61920 + 720 = 62640
Step 88: 62640 + 720 = 63360
Step 89: 63360 + 720 = 64080

So, 720*89 = 64080