We're going to solve 77947679 multiplied by 49795469
77947679 × 49795469 = 49795469 × (77947679)
+ 49795469 × 9 producing 448159221
+ 49795469 × 70 producing 3485682830
+ 49795469 × 600 that equals 29877281400
+ 49795469 × 7000 which equals 348568283000
+ 49795469 × 40000 resulting in 1991818760000
+ 49795469 × 900000 that results in 44815922100000
+ 49795469 × 7000000 yielding 348568283000000
+ 49795469 × 70000000 yielding 3485682830000000

= 3881441233266451
