Alright, let's work through 89855860 times 1518343 step by step
89855860 × 1518343 = 1518343 × (89855860)
+ 1518343 × 0 which equals 0
+ 1518343 × 60 yielding 91100580
+ 1518343 × 800 that is equal 1214674400
+ 1518343 × 5000 giving us 7591715000
+ 1518343 × 50000 that equals 75917150000
+ 1518343 × 800000 yielding 1214674400000
+ 1518343 × 9000000 that results in 13665087000000
+ 1518343 × 80000000 that equals 121467440000000

= 136432016039980
