Alright, let's solve this math problem step by step. First, we have the number 578. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 39. So, we're going to take the number 578 and add it to itself 39 times.
Step 1: 0 + 578 = 578
Step 2: 578 + 578 = 1156
Step 3: 1156 + 578 = 1734
Step 4: 1734 + 578 = 2312
Step 5: 2312 + 578 = 2890
Step 6: 2890 + 578 = 3468
Step 7: 3468 + 578 = 4046
Step 8: 4046 + 578 = 4624
Step 9: 4624 + 578 = 5202
Step 10: 5202 + 578 = 5780
Step 11: 5780 + 578 = 6358
Step 12: 6358 + 578 = 6936
Step 13: 6936 + 578 = 7514
Step 14: 7514 + 578 = 8092
Step 15: 8092 + 578 = 8670
Step 16: 8670 + 578 = 9248
Step 17: 9248 + 578 = 9826
Step 18: 9826 + 578 = 10404
Step 19: 10404 + 578 = 10982
Step 20: 10982 + 578 = 11560
Step 21: 11560 + 578 = 12138
Step 22: 12138 + 578 = 12716
Step 23: 12716 + 578 = 13294
Step 24: 13294 + 578 = 13872
Step 25: 13872 + 578 = 14450
Step 26: 14450 + 578 = 15028
Step 27: 15028 + 578 = 15606
Step 28: 15606 + 578 = 16184
Step 29: 16184 + 578 = 16762
Step 30: 16762 + 578 = 17340
Step 31: 17340 + 578 = 17918
Step 32: 17918 + 578 = 18496
Step 33: 18496 + 578 = 19074
Step 34: 19074 + 578 = 19652
Step 35: 19652 + 578 = 20230
Step 36: 20230 + 578 = 20808
Step 37: 20808 + 578 = 21386
Step 38: 21386 + 578 = 21964
Step 39: 21964 + 578 = 22542

So, 578*39 = 22542