12345678 99999999 | × | 99999999 87654321 |
= | 1371742 11111111 | × | 99999999 87654321 |
= | 1371742 11111111 | × | 11111111 9739369 |
= | 1371742 11111111 | × | 11111111 9739369 |
= | 137 | × | 137 9739369 |
= | 1371742 137 | × | 137 9739369 |
= | 187928654 1334293553 |
= | 1371742 |
= | 1371742 9739369 |