Sure thing, let's get straight to it. We start with 846 and we're going to multiply it by 49, which means adding 846 to itself 49 times.
Step 1: 0 + 846 = 846
Step 2: 846 + 846 = 1692
Step 3: 1692 + 846 = 2538
Step 4: 2538 + 846 = 3384
Step 5: 3384 + 846 = 4230
Step 6: 4230 + 846 = 5076
Step 7: 5076 + 846 = 5922
Step 8: 5922 + 846 = 6768
Step 9: 6768 + 846 = 7614
Step 10: 7614 + 846 = 8460
Step 11: 8460 + 846 = 9306
Step 12: 9306 + 846 = 10152
Step 13: 10152 + 846 = 10998
Step 14: 10998 + 846 = 11844
Step 15: 11844 + 846 = 12690
Step 16: 12690 + 846 = 13536
Step 17: 13536 + 846 = 14382
Step 18: 14382 + 846 = 15228
Step 19: 15228 + 846 = 16074
Step 20: 16074 + 846 = 16920
Step 21: 16920 + 846 = 17766
Step 22: 17766 + 846 = 18612
Step 23: 18612 + 846 = 19458
Step 24: 19458 + 846 = 20304
Step 25: 20304 + 846 = 21150
Step 26: 21150 + 846 = 21996
Step 27: 21996 + 846 = 22842
Step 28: 22842 + 846 = 23688
Step 29: 23688 + 846 = 24534
Step 30: 24534 + 846 = 25380
Step 31: 25380 + 846 = 26226
Step 32: 26226 + 846 = 27072
Step 33: 27072 + 846 = 27918
Step 34: 27918 + 846 = 28764
Step 35: 28764 + 846 = 29610
Step 36: 29610 + 846 = 30456
Step 37: 30456 + 846 = 31302
Step 38: 31302 + 846 = 32148
Step 39: 32148 + 846 = 32994
Step 40: 32994 + 846 = 33840
Step 41: 33840 + 846 = 34686
Step 42: 34686 + 846 = 35532
Step 43: 35532 + 846 = 36378
Step 44: 36378 + 846 = 37224
Step 45: 37224 + 846 = 38070
Step 46: 38070 + 846 = 38916
Step 47: 38916 + 846 = 39762
Step 48: 39762 + 846 = 40608
Step 49: 40608 + 846 = 41454

So, 846*49 = 41454