No problem, we've got 77840081 and 47793326 to multiply
77840081 × 47793326 = 47793326 × (77840081)
+ 47793326 × 1 which equals 47793326
+ 47793326 × 80 what gives us 3823466080
+ 47793326 × 000 yielding 0
+ 47793326 × 0000 that results in 0
+ 47793326 × 40000 producing 1911733040000
+ 47793326 × 800000 producing 38234660800000
+ 47793326 × 7000000 that is equal 334553282000000
+ 47793326 × 70000000 giving us 3345532820000000

= 3720236367099406
