Alright, let's work through 85239940 times 87232271 step by step
85239940 × 87232271 = 87232271 × (85239940)
+ 87232271 × 0 that is equal 0
+ 87232271 × 40 that results in 3489290840
+ 87232271 × 900 that results in 78509043900
+ 87232271 × 9000 that equals 785090439000
+ 87232271 × 30000 producing 2616968130000
+ 87232271 × 200000 giving us 17446454200000
+ 87232271 × 5000000 that is equal 436161355000000
+ 87232271 × 80000000 giving us 6978581680000000

= 7435673546103740
