No problem, we've got 1647 and 7563 to multiply
1647 × 7563 = 7563 × (1647)
+ 7563 × 7 yielding 52941
+ 7563 × 40 which equals 302520
+ 7563 × 600 which equals 4537800
+ 7563 × 1000 what gives us 7563000

= 12456261
