Alright, let's work through 87386395 times 79984674 step by step
87386395 × 79984674 = 79984674 × (87386395)
+ 79984674 × 5 that equals 399923370
+ 79984674 × 90 resulting in 7198620660
+ 79984674 × 300 which equals 23995402200
+ 79984674 × 6000 that is equal 479908044000
+ 79984674 × 80000 that results in 6398773920000
+ 79984674 × 300000 producing 23995402200000
+ 79984674 × 7000000 that equals 559892718000000
+ 79984674 × 80000000 resulting in 6398773920000000

= 6989572316110230
