No problem, we've got 7452 and 9920 to multiply
7452 × 9920 = 9920 × (7452)
+ 9920 × 2 that is equal 19840
+ 9920 × 50 which equals 496000
+ 9920 × 400 yielding 3968000
+ 9920 × 7000 yielding 69440000

= 73923840
