Alright, let's work through 42290120 times 91955490 step by step
42290120 × 91955490 = 91955490 × (42290120)
+ 91955490 × 0 what gives us 0
+ 91955490 × 20 that results in 1839109800
+ 91955490 × 100 what gives us 9195549000
+ 91955490 × 0000 yielding 0
+ 91955490 × 90000 that is equal 8275994100000
+ 91955490 × 200000 yielding 18391098000000
+ 91955490 × 2000000 yielding 183910980000000
+ 91955490 × 40000000 giving us 3678219600000000

= 3888808706758800
