Alright, let's solve this math problem step by step. First, we have the number 18. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 68. So, we're going to take the number 18 and add it to itself 68 times.
Step 1: 0 + 18 = 18
Step 2: 18 + 18 = 36
Step 3: 36 + 18 = 54
Step 4: 54 + 18 = 72
Step 5: 72 + 18 = 90
Step 6: 90 + 18 = 108
Step 7: 108 + 18 = 126
Step 8: 126 + 18 = 144
Step 9: 144 + 18 = 162
Step 10: 162 + 18 = 180
Step 11: 180 + 18 = 198
Step 12: 198 + 18 = 216
Step 13: 216 + 18 = 234
Step 14: 234 + 18 = 252
Step 15: 252 + 18 = 270
Step 16: 270 + 18 = 288
Step 17: 288 + 18 = 306
Step 18: 306 + 18 = 324
Step 19: 324 + 18 = 342
Step 20: 342 + 18 = 360
Step 21: 360 + 18 = 378
Step 22: 378 + 18 = 396
Step 23: 396 + 18 = 414
Step 24: 414 + 18 = 432
Step 25: 432 + 18 = 450
Step 26: 450 + 18 = 468
Step 27: 468 + 18 = 486
Step 28: 486 + 18 = 504
Step 29: 504 + 18 = 522
Step 30: 522 + 18 = 540
Step 31: 540 + 18 = 558
Step 32: 558 + 18 = 576
Step 33: 576 + 18 = 594
Step 34: 594 + 18 = 612
Step 35: 612 + 18 = 630
Step 36: 630 + 18 = 648
Step 37: 648 + 18 = 666
Step 38: 666 + 18 = 684
Step 39: 684 + 18 = 702
Step 40: 702 + 18 = 720
Step 41: 720 + 18 = 738
Step 42: 738 + 18 = 756
Step 43: 756 + 18 = 774
Step 44: 774 + 18 = 792
Step 45: 792 + 18 = 810
Step 46: 810 + 18 = 828
Step 47: 828 + 18 = 846
Step 48: 846 + 18 = 864
Step 49: 864 + 18 = 882
Step 50: 882 + 18 = 900
Step 51: 900 + 18 = 918
Step 52: 918 + 18 = 936
Step 53: 936 + 18 = 954
Step 54: 954 + 18 = 972
Step 55: 972 + 18 = 990
Step 56: 990 + 18 = 1008
Step 57: 1008 + 18 = 1026
Step 58: 1026 + 18 = 1044
Step 59: 1044 + 18 = 1062
Step 60: 1062 + 18 = 1080
Step 61: 1080 + 18 = 1098
Step 62: 1098 + 18 = 1116
Step 63: 1116 + 18 = 1134
Step 64: 1134 + 18 = 1152
Step 65: 1152 + 18 = 1170
Step 66: 1170 + 18 = 1188
Step 67: 1188 + 18 = 1206
Step 68: 1206 + 18 = 1224

So, 18*68 = 1224