Alright, let's work through 52423072 times 52402925 step by step
52423072 × 52402925 = 52402925 × (52423072)
+ 52402925 × 2 that results in 104805850
+ 52402925 × 70 that results in 3668204750
+ 52402925 × 000 resulting in 0
+ 52402925 × 3000 that equals 157208775000
+ 52402925 × 20000 that results in 1048058500000
+ 52402925 × 400000 yielding 20961170000000
+ 52402925 × 2000000 that is equal 104805850000000
+ 52402925 × 50000000 giving us 2620146250000000

= 2747122310285600
