No problem, we've got 7647 and 4398 to multiply
7647 × 4398 = 4398 × (7647)
+ 4398 × 7 that equals 30786
+ 4398 × 40 producing 175920
+ 4398 × 600 yielding 2638800
+ 4398 × 7000 resulting in 30786000

= 33631506
