Alright, let's work through 66271749 times 98700049 step by step
66271749 × 98700049 = 98700049 × (66271749)
+ 98700049 × 9 producing 888300441
+ 98700049 × 40 yielding 3948001960
+ 98700049 × 700 producing 69090034300
+ 98700049 × 1000 resulting in 98700049000
+ 98700049 × 70000 giving us 6909003430000
+ 98700049 × 200000 that results in 19740009800000
+ 98700049 × 6000000 yielding 592200294000000
+ 98700049 × 60000000 what gives us 5922002940000000

= 6541024873615701
