No problem, we've got 83886315 and 45131898 to multiply
83886315 × 45131898 = 45131898 × (83886315)
+ 45131898 × 5 that equals 225659490
+ 45131898 × 10 producing 451318980
+ 45131898 × 300 giving us 13539569400
+ 45131898 × 6000 yielding 270791388000
+ 45131898 × 80000 that results in 3610551840000
+ 45131898 × 800000 that is equal 36105518400000
+ 45131898 × 3000000 that is equal 135395694000000
+ 45131898 × 80000000 that results in 3610551840000000

= 3785948612175870
