Alright, let's work through 53072000 times 87420862 step by step
53072000 × 87420862 = 87420862 × (53072000)
+ 87420862 × 0 giving us 0
+ 87420862 × 00 giving us 0
+ 87420862 × 000 that equals 0
+ 87420862 × 2000 yielding 174841724000
+ 87420862 × 70000 that results in 6119460340000
+ 87420862 × 000000 that results in 0
+ 87420862 × 3000000 yielding 262262586000000
+ 87420862 × 50000000 resulting in 4371043100000000

= 4639599988064000
