Alright, let's work through 90896340 times 70141608 step by step
90896340 × 70141608 = 70141608 × (90896340)
+ 70141608 × 0 producing 0
+ 70141608 × 40 producing 2805664320
+ 70141608 × 300 what gives us 21042482400
+ 70141608 × 6000 that is equal 420849648000
+ 70141608 × 90000 yielding 6312744720000
+ 70141608 × 800000 resulting in 56113286400000
+ 70141608 × 0000000 giving us 0
+ 70141608 × 90000000 giving us 6312744720000000

= 6375615448914720
