Alright, let's solve this math problem step by step. First, we have the number 434. 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 434 and add it to itself 39 times.
Step 1: 0 + 434 = 434
Step 2: 434 + 434 = 868
Step 3: 868 + 434 = 1302
Step 4: 1302 + 434 = 1736
Step 5: 1736 + 434 = 2170
Step 6: 2170 + 434 = 2604
Step 7: 2604 + 434 = 3038
Step 8: 3038 + 434 = 3472
Step 9: 3472 + 434 = 3906
Step 10: 3906 + 434 = 4340
Step 11: 4340 + 434 = 4774
Step 12: 4774 + 434 = 5208
Step 13: 5208 + 434 = 5642
Step 14: 5642 + 434 = 6076
Step 15: 6076 + 434 = 6510
Step 16: 6510 + 434 = 6944
Step 17: 6944 + 434 = 7378
Step 18: 7378 + 434 = 7812
Step 19: 7812 + 434 = 8246
Step 20: 8246 + 434 = 8680
Step 21: 8680 + 434 = 9114
Step 22: 9114 + 434 = 9548
Step 23: 9548 + 434 = 9982
Step 24: 9982 + 434 = 10416
Step 25: 10416 + 434 = 10850
Step 26: 10850 + 434 = 11284
Step 27: 11284 + 434 = 11718
Step 28: 11718 + 434 = 12152
Step 29: 12152 + 434 = 12586
Step 30: 12586 + 434 = 13020
Step 31: 13020 + 434 = 13454
Step 32: 13454 + 434 = 13888
Step 33: 13888 + 434 = 14322
Step 34: 14322 + 434 = 14756
Step 35: 14756 + 434 = 15190
Step 36: 15190 + 434 = 15624
Step 37: 15624 + 434 = 16058
Step 38: 16058 + 434 = 16492
Step 39: 16492 + 434 = 16926

So, 434*39 = 16926