Alright, let's solve this math problem step by step. First, we have the number 677. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 70. So, we're going to take the number 677 and add it to itself 70 times.
Step 1: 0 + 677 = 677
Step 2: 677 + 677 = 1354
Step 3: 1354 + 677 = 2031
Step 4: 2031 + 677 = 2708
Step 5: 2708 + 677 = 3385
Step 6: 3385 + 677 = 4062
Step 7: 4062 + 677 = 4739
Step 8: 4739 + 677 = 5416
Step 9: 5416 + 677 = 6093
Step 10: 6093 + 677 = 6770
Step 11: 6770 + 677 = 7447
Step 12: 7447 + 677 = 8124
Step 13: 8124 + 677 = 8801
Step 14: 8801 + 677 = 9478
Step 15: 9478 + 677 = 10155
Step 16: 10155 + 677 = 10832
Step 17: 10832 + 677 = 11509
Step 18: 11509 + 677 = 12186
Step 19: 12186 + 677 = 12863
Step 20: 12863 + 677 = 13540
Step 21: 13540 + 677 = 14217
Step 22: 14217 + 677 = 14894
Step 23: 14894 + 677 = 15571
Step 24: 15571 + 677 = 16248
Step 25: 16248 + 677 = 16925
Step 26: 16925 + 677 = 17602
Step 27: 17602 + 677 = 18279
Step 28: 18279 + 677 = 18956
Step 29: 18956 + 677 = 19633
Step 30: 19633 + 677 = 20310
Step 31: 20310 + 677 = 20987
Step 32: 20987 + 677 = 21664
Step 33: 21664 + 677 = 22341
Step 34: 22341 + 677 = 23018
Step 35: 23018 + 677 = 23695
Step 36: 23695 + 677 = 24372
Step 37: 24372 + 677 = 25049
Step 38: 25049 + 677 = 25726
Step 39: 25726 + 677 = 26403
Step 40: 26403 + 677 = 27080
Step 41: 27080 + 677 = 27757
Step 42: 27757 + 677 = 28434
Step 43: 28434 + 677 = 29111
Step 44: 29111 + 677 = 29788
Step 45: 29788 + 677 = 30465
Step 46: 30465 + 677 = 31142
Step 47: 31142 + 677 = 31819
Step 48: 31819 + 677 = 32496
Step 49: 32496 + 677 = 33173
Step 50: 33173 + 677 = 33850
Step 51: 33850 + 677 = 34527
Step 52: 34527 + 677 = 35204
Step 53: 35204 + 677 = 35881
Step 54: 35881 + 677 = 36558
Step 55: 36558 + 677 = 37235
Step 56: 37235 + 677 = 37912
Step 57: 37912 + 677 = 38589
Step 58: 38589 + 677 = 39266
Step 59: 39266 + 677 = 39943
Step 60: 39943 + 677 = 40620
Step 61: 40620 + 677 = 41297
Step 62: 41297 + 677 = 41974
Step 63: 41974 + 677 = 42651
Step 64: 42651 + 677 = 43328
Step 65: 43328 + 677 = 44005
Step 66: 44005 + 677 = 44682
Step 67: 44682 + 677 = 45359
Step 68: 45359 + 677 = 46036
Step 69: 46036 + 677 = 46713
Step 70: 46713 + 677 = 47390

So, 677*70 = 47390