Alright, let's work through 80840414 times 11041613 step by step
80840414 × 11041613 = 11041613 × (80840414)
+ 11041613 × 4 resulting in 44166452
+ 11041613 × 10 that is equal 110416130
+ 11041613 × 400 giving us 4416645200
+ 11041613 × 0000 that equals 0
+ 11041613 × 40000 that results in 441664520000
+ 11041613 × 800000 what gives us 8833290400000
+ 11041613 × 0000000 resulting in 0
+ 11041613 × 80000000 that results in 883329040000000

= 892608566147782
