Alright, let's work through 4715312 times 31703902 step by step
4715312 × 31703902 = 31703902 × (4715312)
+ 31703902 × 2 what gives us 63407804
+ 31703902 × 10 giving us 317039020
+ 31703902 × 300 what gives us 9511170600
+ 31703902 × 5000 that is equal 158519510000
+ 31703902 × 10000 which equals 317039020000
+ 31703902 × 700000 that equals 22192731400000
+ 31703902 × 4000000 which equals 126815608000000

= 149493789547424
