Alright, let's work through 43800920 times 80261812 step by step
43800920 × 80261812 = 80261812 × (43800920)
+ 80261812 × 0 what gives us 0
+ 80261812 × 20 giving us 1605236240
+ 80261812 × 900 giving us 72235630800
+ 80261812 × 0000 yielding 0
+ 80261812 × 00000 that equals 0
+ 80261812 × 800000 yielding 64209449600000
+ 80261812 × 3000000 that equals 240785436000000
+ 80261812 × 40000000 that is equal 3210472480000000

= 3515541206467040
