Alright, let's work through 13166498 times 88661083 step by step
13166498 × 88661083 = 88661083 × (13166498)
+ 88661083 × 8 that results in 709288664
+ 88661083 × 90 that results in 7979497470
+ 88661083 × 400 that results in 35464433200
+ 88661083 × 6000 giving us 531966498000
+ 88661083 × 60000 that equals 5319664980000
+ 88661083 × 100000 that is equal 8866108300000
+ 88661083 × 3000000 that results in 265983249000000
+ 88661083 × 10000000 which equals 886610830000000

= 1167355971997334
