We're going to solve 87212875 multiplied by 80003330
87212875 × 80003330 = 80003330 × (87212875)
+ 80003330 × 5 yielding 400016650
+ 80003330 × 70 that is equal 5600233100
+ 80003330 × 800 producing 64002664000
+ 80003330 × 2000 which equals 160006660000
+ 80003330 × 10000 which equals 800033300000
+ 80003330 × 200000 which equals 16000666000000
+ 80003330 × 7000000 producing 560023310000000
+ 80003330 × 80000000 that results in 6400266400000000

= 6977320418873750
