1. Nxf7 Qxf7 2. Rxg6
An alternative line involves exchanging a rook, bishop, and knight for a queen, knight, and two pawns, also resulting in a large advantage.
1. Nxf7 Qxf7 2. Bxe6 Bxg3 3. Bxf7+ Kxf7 4. Qf5+ Kg8 5. Qxg6 Bh4
or
1. Nxf7 Qxf7 2. Bxe6 Qxe6 3. Rxe6 Bxg3 4. Qxg6 Bh4