Alright, let's work through 87830220 times 11999694 step by step
87830220 × 11999694 = 11999694 × (87830220)
+ 11999694 × 0 what gives us 0
+ 11999694 × 20 that equals 239993880
+ 11999694 × 200 yielding 2399938800
+ 11999694 × 0000 yielding 0
+ 11999694 × 30000 resulting in 359990820000
+ 11999694 × 800000 producing 9599755200000
+ 11999694 × 7000000 that is equal 83997858000000
+ 11999694 × 80000000 giving us 959975520000000

= 1053935763952680
