how to simplify (4 root 3 -2 root 2) (3 root 2 + 4 root 3)

( 4 √3 - 2 √2)(3 √2 + 4 √3)

(4√3 - 2√2)(4√3 + 3√2)

4√3 * 4√3 + 4√3 * 3√2 - 2√2*4√3 -2√2*3√2

48 + 12√6 - 8√6 - 12

36 + 4√6