Alright, let's solve this math problem step by step. First, we have the number 374. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 45. So, we're going to take the number 374 and add it to itself 45 times.
Step 1: 0 + 374 = 374
Step 2: 374 + 374 = 748
Step 3: 748 + 374 = 1122
Step 4: 1122 + 374 = 1496
Step 5: 1496 + 374 = 1870
Step 6: 1870 + 374 = 2244
Step 7: 2244 + 374 = 2618
Step 8: 2618 + 374 = 2992
Step 9: 2992 + 374 = 3366
Step 10: 3366 + 374 = 3740
Step 11: 3740 + 374 = 4114
Step 12: 4114 + 374 = 4488
Step 13: 4488 + 374 = 4862
Step 14: 4862 + 374 = 5236
Step 15: 5236 + 374 = 5610
Step 16: 5610 + 374 = 5984
Step 17: 5984 + 374 = 6358
Step 18: 6358 + 374 = 6732
Step 19: 6732 + 374 = 7106
Step 20: 7106 + 374 = 7480
Step 21: 7480 + 374 = 7854
Step 22: 7854 + 374 = 8228
Step 23: 8228 + 374 = 8602
Step 24: 8602 + 374 = 8976
Step 25: 8976 + 374 = 9350
Step 26: 9350 + 374 = 9724
Step 27: 9724 + 374 = 10098
Step 28: 10098 + 374 = 10472
Step 29: 10472 + 374 = 10846
Step 30: 10846 + 374 = 11220
Step 31: 11220 + 374 = 11594
Step 32: 11594 + 374 = 11968
Step 33: 11968 + 374 = 12342
Step 34: 12342 + 374 = 12716
Step 35: 12716 + 374 = 13090
Step 36: 13090 + 374 = 13464
Step 37: 13464 + 374 = 13838
Step 38: 13838 + 374 = 14212
Step 39: 14212 + 374 = 14586
Step 40: 14586 + 374 = 14960
Step 41: 14960 + 374 = 15334
Step 42: 15334 + 374 = 15708
Step 43: 15708 + 374 = 16082
Step 44: 16082 + 374 = 16456
Step 45: 16456 + 374 = 16830

So, 374*45 = 16830