Alright, let's work through 63352013 times 83981699 step by step
63352013 × 83981699 = 83981699 × (63352013)
+ 83981699 × 3 giving us 251945097
+ 83981699 × 10 what gives us 839816990
+ 83981699 × 000 resulting in 0
+ 83981699 × 2000 which equals 167963398000
+ 83981699 × 50000 yielding 4199084950000
+ 83981699 × 300000 producing 25194509700000
+ 83981699 × 3000000 that equals 251945097000000
+ 83981699 × 60000000 that is equal 5038901940000000

= 5320409686810087
