We're going to solve 96638644 multiplied by 81812210
96638644 × 81812210 = 81812210 × (96638644)
+ 81812210 × 4 producing 327248840
+ 81812210 × 40 producing 3272488400
+ 81812210 × 600 resulting in 49087326000
+ 81812210 × 8000 which equals 654497680000
+ 81812210 × 30000 resulting in 2454366300000
+ 81812210 × 600000 what gives us 49087326000000
+ 81812210 × 6000000 yielding 490873260000000
+ 81812210 × 90000000 yielding 7363098900000000

= 7906221037043240
