Alright, let's work through 87299981 times 17092053 step by step
87299981 × 17092053 = 17092053 × (87299981)
+ 17092053 × 1 producing 17092053
+ 17092053 × 80 that is equal 1367364240
+ 17092053 × 900 that equals 15382847700
+ 17092053 × 9000 what gives us 153828477000
+ 17092053 × 90000 that results in 1538284770000
+ 17092053 × 200000 which equals 3418410600000
+ 17092053 × 7000000 yielding 119644371000000
+ 17092053 × 80000000 that equals 1367364240000000

= 1492135902150993
