No problem, we've got 7999 and 4128 to multiply
7999 × 4128 = 4128 × (7999)
+ 4128 × 9 which equals 37152
+ 4128 × 90 what gives us 371520
+ 4128 × 900 resulting in 3715200
+ 4128 × 7000 resulting in 28896000

= 33019872
