Alright, let's solve this math problem step by step. First, we have the number 290. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 70. So, we're going to take the number 290 and add it to itself 70 times.
Step 1: 0 + 290 = 290
Step 2: 290 + 290 = 580
Step 3: 580 + 290 = 870
Step 4: 870 + 290 = 1160
Step 5: 1160 + 290 = 1450
Step 6: 1450 + 290 = 1740
Step 7: 1740 + 290 = 2030
Step 8: 2030 + 290 = 2320
Step 9: 2320 + 290 = 2610
Step 10: 2610 + 290 = 2900
Step 11: 2900 + 290 = 3190
Step 12: 3190 + 290 = 3480
Step 13: 3480 + 290 = 3770
Step 14: 3770 + 290 = 4060
Step 15: 4060 + 290 = 4350
Step 16: 4350 + 290 = 4640
Step 17: 4640 + 290 = 4930
Step 18: 4930 + 290 = 5220
Step 19: 5220 + 290 = 5510
Step 20: 5510 + 290 = 5800
Step 21: 5800 + 290 = 6090
Step 22: 6090 + 290 = 6380
Step 23: 6380 + 290 = 6670
Step 24: 6670 + 290 = 6960
Step 25: 6960 + 290 = 7250
Step 26: 7250 + 290 = 7540
Step 27: 7540 + 290 = 7830
Step 28: 7830 + 290 = 8120
Step 29: 8120 + 290 = 8410
Step 30: 8410 + 290 = 8700
Step 31: 8700 + 290 = 8990
Step 32: 8990 + 290 = 9280
Step 33: 9280 + 290 = 9570
Step 34: 9570 + 290 = 9860
Step 35: 9860 + 290 = 10150
Step 36: 10150 + 290 = 10440
Step 37: 10440 + 290 = 10730
Step 38: 10730 + 290 = 11020
Step 39: 11020 + 290 = 11310
Step 40: 11310 + 290 = 11600
Step 41: 11600 + 290 = 11890
Step 42: 11890 + 290 = 12180
Step 43: 12180 + 290 = 12470
Step 44: 12470 + 290 = 12760
Step 45: 12760 + 290 = 13050
Step 46: 13050 + 290 = 13340
Step 47: 13340 + 290 = 13630
Step 48: 13630 + 290 = 13920
Step 49: 13920 + 290 = 14210
Step 50: 14210 + 290 = 14500
Step 51: 14500 + 290 = 14790
Step 52: 14790 + 290 = 15080
Step 53: 15080 + 290 = 15370
Step 54: 15370 + 290 = 15660
Step 55: 15660 + 290 = 15950
Step 56: 15950 + 290 = 16240
Step 57: 16240 + 290 = 16530
Step 58: 16530 + 290 = 16820
Step 59: 16820 + 290 = 17110
Step 60: 17110 + 290 = 17400
Step 61: 17400 + 290 = 17690
Step 62: 17690 + 290 = 17980
Step 63: 17980 + 290 = 18270
Step 64: 18270 + 290 = 18560
Step 65: 18560 + 290 = 18850
Step 66: 18850 + 290 = 19140
Step 67: 19140 + 290 = 19430
Step 68: 19430 + 290 = 19720
Step 69: 19720 + 290 = 20010
Step 70: 20010 + 290 = 20300

So, 290*70 = 20300