Alright, let's work through 16848140 times 39964821 step by step
16848140 × 39964821 = 39964821 × (16848140)
+ 39964821 × 0 that is equal 0
+ 39964821 × 40 which equals 1598592840
+ 39964821 × 100 what gives us 3996482100
+ 39964821 × 8000 giving us 319718568000
+ 39964821 × 40000 resulting in 1598592840000
+ 39964821 × 800000 producing 31971856800000
+ 39964821 × 6000000 that is equal 239788926000000
+ 39964821 × 10000000 that equals 399648210000000

= 673332899282940
