Alright, let's work through 31684335 times 87974422 step by step
31684335 × 87974422 = 87974422 × (31684335)
+ 87974422 × 5 producing 439872110
+ 87974422 × 30 what gives us 2639232660
+ 87974422 × 300 producing 26392326600
+ 87974422 × 4000 giving us 351897688000
+ 87974422 × 80000 that equals 7037953760000
+ 87974422 × 600000 which equals 52784653200000
+ 87974422 × 1000000 giving us 87974422000000
+ 87974422 × 30000000 yielding 2639232660000000

= 2787411058079370
