Let's get this math done. We have 348 and we're going to multiply it by 49. This is the same as taking 348 and adding it to itself 49 times.
Step 1: 0 + 348 = 348
Step 2: 348 + 348 = 696
Step 3: 696 + 348 = 1044
Step 4: 1044 + 348 = 1392
Step 5: 1392 + 348 = 1740
Step 6: 1740 + 348 = 2088
Step 7: 2088 + 348 = 2436
Step 8: 2436 + 348 = 2784
Step 9: 2784 + 348 = 3132
Step 10: 3132 + 348 = 3480
Step 11: 3480 + 348 = 3828
Step 12: 3828 + 348 = 4176
Step 13: 4176 + 348 = 4524
Step 14: 4524 + 348 = 4872
Step 15: 4872 + 348 = 5220
Step 16: 5220 + 348 = 5568
Step 17: 5568 + 348 = 5916
Step 18: 5916 + 348 = 6264
Step 19: 6264 + 348 = 6612
Step 20: 6612 + 348 = 6960
Step 21: 6960 + 348 = 7308
Step 22: 7308 + 348 = 7656
Step 23: 7656 + 348 = 8004
Step 24: 8004 + 348 = 8352
Step 25: 8352 + 348 = 8700
Step 26: 8700 + 348 = 9048
Step 27: 9048 + 348 = 9396
Step 28: 9396 + 348 = 9744
Step 29: 9744 + 348 = 10092
Step 30: 10092 + 348 = 10440
Step 31: 10440 + 348 = 10788
Step 32: 10788 + 348 = 11136
Step 33: 11136 + 348 = 11484
Step 34: 11484 + 348 = 11832
Step 35: 11832 + 348 = 12180
Step 36: 12180 + 348 = 12528
Step 37: 12528 + 348 = 12876
Step 38: 12876 + 348 = 13224
Step 39: 13224 + 348 = 13572
Step 40: 13572 + 348 = 13920
Step 41: 13920 + 348 = 14268
Step 42: 14268 + 348 = 14616
Step 43: 14616 + 348 = 14964
Step 44: 14964 + 348 = 15312
Step 45: 15312 + 348 = 15660
Step 46: 15660 + 348 = 16008
Step 47: 16008 + 348 = 16356
Step 48: 16356 + 348 = 16704
Step 49: 16704 + 348 = 17052

So, 348*49 = 17052