No problem, we've got 5355555 and 13555355 to multiply
5355555 × 13555355 = 13555355 × (5355555)
+ 13555355 × 5 that results in 67776775
+ 13555355 × 50 that equals 677767750
+ 13555355 × 500 producing 6777677500
+ 13555355 × 5000 resulting in 67776775000
+ 13555355 × 50000 which equals 677767750000
+ 13555355 × 300000 that equals 4066606500000
+ 13555355 × 5000000 that results in 67776775000000

= 72596449247025
