Alright, let's work through 88080164 times 13161411 step by step
88080164 × 13161411 = 13161411 × (88080164)
+ 13161411 × 4 giving us 52645644
+ 13161411 × 60 that is equal 789684660
+ 13161411 × 100 yielding 1316141100
+ 13161411 × 0000 resulting in 0
+ 13161411 × 80000 which equals 1052912880000
+ 13161411 × 000000 that is equal 0
+ 13161411 × 8000000 what gives us 105291288000000
+ 13161411 × 80000000 that results in 1052912880000000

= 1159259239351404
