Alright, let's solve this math problem step by step. First, we have the number 824. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 86. So, we're going to take the number 824 and add it to itself 86 times.
Step 1: 0 + 824 = 824
Step 2: 824 + 824 = 1648
Step 3: 1648 + 824 = 2472
Step 4: 2472 + 824 = 3296
Step 5: 3296 + 824 = 4120
Step 6: 4120 + 824 = 4944
Step 7: 4944 + 824 = 5768
Step 8: 5768 + 824 = 6592
Step 9: 6592 + 824 = 7416
Step 10: 7416 + 824 = 8240
Step 11: 8240 + 824 = 9064
Step 12: 9064 + 824 = 9888
Step 13: 9888 + 824 = 10712
Step 14: 10712 + 824 = 11536
Step 15: 11536 + 824 = 12360
Step 16: 12360 + 824 = 13184
Step 17: 13184 + 824 = 14008
Step 18: 14008 + 824 = 14832
Step 19: 14832 + 824 = 15656
Step 20: 15656 + 824 = 16480
Step 21: 16480 + 824 = 17304
Step 22: 17304 + 824 = 18128
Step 23: 18128 + 824 = 18952
Step 24: 18952 + 824 = 19776
Step 25: 19776 + 824 = 20600
Step 26: 20600 + 824 = 21424
Step 27: 21424 + 824 = 22248
Step 28: 22248 + 824 = 23072
Step 29: 23072 + 824 = 23896
Step 30: 23896 + 824 = 24720
Step 31: 24720 + 824 = 25544
Step 32: 25544 + 824 = 26368
Step 33: 26368 + 824 = 27192
Step 34: 27192 + 824 = 28016
Step 35: 28016 + 824 = 28840
Step 36: 28840 + 824 = 29664
Step 37: 29664 + 824 = 30488
Step 38: 30488 + 824 = 31312
Step 39: 31312 + 824 = 32136
Step 40: 32136 + 824 = 32960
Step 41: 32960 + 824 = 33784
Step 42: 33784 + 824 = 34608
Step 43: 34608 + 824 = 35432
Step 44: 35432 + 824 = 36256
Step 45: 36256 + 824 = 37080
Step 46: 37080 + 824 = 37904
Step 47: 37904 + 824 = 38728
Step 48: 38728 + 824 = 39552
Step 49: 39552 + 824 = 40376
Step 50: 40376 + 824 = 41200
Step 51: 41200 + 824 = 42024
Step 52: 42024 + 824 = 42848
Step 53: 42848 + 824 = 43672
Step 54: 43672 + 824 = 44496
Step 55: 44496 + 824 = 45320
Step 56: 45320 + 824 = 46144
Step 57: 46144 + 824 = 46968
Step 58: 46968 + 824 = 47792
Step 59: 47792 + 824 = 48616
Step 60: 48616 + 824 = 49440
Step 61: 49440 + 824 = 50264
Step 62: 50264 + 824 = 51088
Step 63: 51088 + 824 = 51912
Step 64: 51912 + 824 = 52736
Step 65: 52736 + 824 = 53560
Step 66: 53560 + 824 = 54384
Step 67: 54384 + 824 = 55208
Step 68: 55208 + 824 = 56032
Step 69: 56032 + 824 = 56856
Step 70: 56856 + 824 = 57680
Step 71: 57680 + 824 = 58504
Step 72: 58504 + 824 = 59328
Step 73: 59328 + 824 = 60152
Step 74: 60152 + 824 = 60976
Step 75: 60976 + 824 = 61800
Step 76: 61800 + 824 = 62624
Step 77: 62624 + 824 = 63448
Step 78: 63448 + 824 = 64272
Step 79: 64272 + 824 = 65096
Step 80: 65096 + 824 = 65920
Step 81: 65920 + 824 = 66744
Step 82: 66744 + 824 = 67568
Step 83: 67568 + 824 = 68392
Step 84: 68392 + 824 = 69216
Step 85: 69216 + 824 = 70040
Step 86: 70040 + 824 = 70864

So, 824*86 = 70864