Alright, let's work through 85272239 times 4403155 step by step
85272239 × 4403155 = 4403155 × (85272239)
+ 4403155 × 9 resulting in 39628395
+ 4403155 × 30 producing 132094650
+ 4403155 × 200 resulting in 880631000
+ 4403155 × 2000 that results in 8806310000
+ 4403155 × 70000 what gives us 308220850000
+ 4403155 × 200000 what gives us 880631000000
+ 4403155 × 5000000 yielding 22015775000000
+ 4403155 × 80000000 producing 352252400000000

= 375466885514045
