Alright, let's work through 91729801 times 40087069 step by step
91729801 × 40087069 = 40087069 × (91729801)
+ 40087069 × 1 resulting in 40087069
+ 40087069 × 00 that results in 0
+ 40087069 × 800 producing 32069655200
+ 40087069 × 9000 that is equal 360783621000
+ 40087069 × 20000 that equals 801741380000
+ 40087069 × 700000 resulting in 28060948300000
+ 40087069 × 1000000 that is equal 40087069000000
+ 40087069 × 90000000 resulting in 3607836210000000

= 3677178862043269
