No problem, we've got 7854 and 1521 to multiply
7854 × 1521 = 1521 × (7854)
+ 1521 × 4 that is equal 6084
+ 1521 × 50 that equals 76050
+ 1521 × 800 yielding 1216800
+ 1521 × 7000 giving us 10647000

= 11945934
