Let's get this math done. We have 376 and we're going to multiply it by 58. This is the same as taking 376 and adding it to itself 58 times.
Step 1: 0 + 376 = 376
Step 2: 376 + 376 = 752
Step 3: 752 + 376 = 1128
Step 4: 1128 + 376 = 1504
Step 5: 1504 + 376 = 1880
Step 6: 1880 + 376 = 2256
Step 7: 2256 + 376 = 2632
Step 8: 2632 + 376 = 3008
Step 9: 3008 + 376 = 3384
Step 10: 3384 + 376 = 3760
Step 11: 3760 + 376 = 4136
Step 12: 4136 + 376 = 4512
Step 13: 4512 + 376 = 4888
Step 14: 4888 + 376 = 5264
Step 15: 5264 + 376 = 5640
Step 16: 5640 + 376 = 6016
Step 17: 6016 + 376 = 6392
Step 18: 6392 + 376 = 6768
Step 19: 6768 + 376 = 7144
Step 20: 7144 + 376 = 7520
Step 21: 7520 + 376 = 7896
Step 22: 7896 + 376 = 8272
Step 23: 8272 + 376 = 8648
Step 24: 8648 + 376 = 9024
Step 25: 9024 + 376 = 9400
Step 26: 9400 + 376 = 9776
Step 27: 9776 + 376 = 10152
Step 28: 10152 + 376 = 10528
Step 29: 10528 + 376 = 10904
Step 30: 10904 + 376 = 11280
Step 31: 11280 + 376 = 11656
Step 32: 11656 + 376 = 12032
Step 33: 12032 + 376 = 12408
Step 34: 12408 + 376 = 12784
Step 35: 12784 + 376 = 13160
Step 36: 13160 + 376 = 13536
Step 37: 13536 + 376 = 13912
Step 38: 13912 + 376 = 14288
Step 39: 14288 + 376 = 14664
Step 40: 14664 + 376 = 15040
Step 41: 15040 + 376 = 15416
Step 42: 15416 + 376 = 15792
Step 43: 15792 + 376 = 16168
Step 44: 16168 + 376 = 16544
Step 45: 16544 + 376 = 16920
Step 46: 16920 + 376 = 17296
Step 47: 17296 + 376 = 17672
Step 48: 17672 + 376 = 18048
Step 49: 18048 + 376 = 18424
Step 50: 18424 + 376 = 18800
Step 51: 18800 + 376 = 19176
Step 52: 19176 + 376 = 19552
Step 53: 19552 + 376 = 19928
Step 54: 19928 + 376 = 20304
Step 55: 20304 + 376 = 20680
Step 56: 20680 + 376 = 21056
Step 57: 21056 + 376 = 21432
Step 58: 21432 + 376 = 21808

So, 376*58 = 21808