Alright, let's work through 63470420 times 31768719 step by step
63470420 × 31768719 = 31768719 × (63470420)
+ 31768719 × 0 that equals 0
+ 31768719 × 20 what gives us 635374380
+ 31768719 × 400 that results in 12707487600
+ 31768719 × 0000 that is equal 0
+ 31768719 × 70000 resulting in 2223810330000
+ 31768719 × 400000 which equals 12707487600000
+ 31768719 × 3000000 resulting in 95306157000000
+ 31768719 × 60000000 which equals 1906123140000000

= 2016373937791980
