Alright, let's work through 87483678 times 11409494 step by step
87483678 × 11409494 = 11409494 × (87483678)
+ 11409494 × 8 resulting in 91275952
+ 11409494 × 70 giving us 798664580
+ 11409494 × 600 that results in 6845696400
+ 11409494 × 3000 which equals 34228482000
+ 11409494 × 80000 that is equal 912759520000
+ 11409494 × 400000 that is equal 4563797600000
+ 11409494 × 7000000 resulting in 79866458000000
+ 11409494 × 80000000 producing 912759520000000

= 998144499238932
