No problem, we've got 1563 and 7854 to multiply
1563 × 7854 = 7854 × (1563)
+ 7854 × 3 that results in 23562
+ 7854 × 60 that results in 471240
+ 7854 × 500 giving us 3927000
+ 7854 × 1000 yielding 7854000

= 12275802
