Alright, let's work through 51050480 times 31543387 step by step
51050480 × 31543387 = 31543387 × (51050480)
+ 31543387 × 0 that is equal 0
+ 31543387 × 80 which equals 2523470960
+ 31543387 × 400 that results in 12617354800
+ 31543387 × 0000 that equals 0
+ 31543387 × 50000 that is equal 1577169350000
+ 31543387 × 000000 what gives us 0
+ 31543387 × 1000000 giving us 31543387000000
+ 31543387 × 50000000 producing 1577169350000000

= 1610305047175760
