Alright, let's work through 53120320 times 20426677 step by step
53120320 × 20426677 = 20426677 × (53120320)
+ 20426677 × 0 giving us 0
+ 20426677 × 20 that results in 408533540
+ 20426677 × 300 resulting in 6128003100
+ 20426677 × 0000 that is equal 0
+ 20426677 × 20000 yielding 408533540000
+ 20426677 × 100000 what gives us 2042667700000
+ 20426677 × 3000000 yielding 61280031000000
+ 20426677 × 50000000 what gives us 1021333850000000

= 1085071618776640
