No problem, we've got 7489 and 5647 to multiply
7489 × 5647 = 5647 × (7489)
+ 5647 × 9 that equals 50823
+ 5647 × 80 giving us 451760
+ 5647 × 400 what gives us 2258800
+ 5647 × 7000 giving us 39529000

= 42290383
