Alright, let's work through 70737777 times 75552447 step by step
70737777 × 75552447 = 75552447 × (70737777)
+ 75552447 × 7 that equals 528867129
+ 75552447 × 70 yielding 5288671290
+ 75552447 × 700 what gives us 52886712900
+ 75552447 × 7000 that results in 528867129000
+ 75552447 × 30000 that is equal 2266573410000
+ 75552447 × 700000 that results in 52886712900000
+ 75552447 × 0000000 giving us 0
+ 75552447 × 70000000 yielding 5288671290000000

= 5344412147690319
