Alright, let's solve this math problem step by step. First, we have the number 859. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 50. So, we're going to take the number 859 and add it to itself 50 times.
Step 1: 0 + 859 = 859
Step 2: 859 + 859 = 1718
Step 3: 1718 + 859 = 2577
Step 4: 2577 + 859 = 3436
Step 5: 3436 + 859 = 4295
Step 6: 4295 + 859 = 5154
Step 7: 5154 + 859 = 6013
Step 8: 6013 + 859 = 6872
Step 9: 6872 + 859 = 7731
Step 10: 7731 + 859 = 8590
Step 11: 8590 + 859 = 9449
Step 12: 9449 + 859 = 10308
Step 13: 10308 + 859 = 11167
Step 14: 11167 + 859 = 12026
Step 15: 12026 + 859 = 12885
Step 16: 12885 + 859 = 13744
Step 17: 13744 + 859 = 14603
Step 18: 14603 + 859 = 15462
Step 19: 15462 + 859 = 16321
Step 20: 16321 + 859 = 17180
Step 21: 17180 + 859 = 18039
Step 22: 18039 + 859 = 18898
Step 23: 18898 + 859 = 19757
Step 24: 19757 + 859 = 20616
Step 25: 20616 + 859 = 21475
Step 26: 21475 + 859 = 22334
Step 27: 22334 + 859 = 23193
Step 28: 23193 + 859 = 24052
Step 29: 24052 + 859 = 24911
Step 30: 24911 + 859 = 25770
Step 31: 25770 + 859 = 26629
Step 32: 26629 + 859 = 27488
Step 33: 27488 + 859 = 28347
Step 34: 28347 + 859 = 29206
Step 35: 29206 + 859 = 30065
Step 36: 30065 + 859 = 30924
Step 37: 30924 + 859 = 31783
Step 38: 31783 + 859 = 32642
Step 39: 32642 + 859 = 33501
Step 40: 33501 + 859 = 34360
Step 41: 34360 + 859 = 35219
Step 42: 35219 + 859 = 36078
Step 43: 36078 + 859 = 36937
Step 44: 36937 + 859 = 37796
Step 45: 37796 + 859 = 38655
Step 46: 38655 + 859 = 39514
Step 47: 39514 + 859 = 40373
Step 48: 40373 + 859 = 41232
Step 49: 41232 + 859 = 42091
Step 50: 42091 + 859 = 42950

So, 859*50 = 42950