No problem, we've got 1545 and 7875 to multiply
1545 × 7875 = 7875 × (1545)
+ 7875 × 5 which equals 39375
+ 7875 × 40 resulting in 315000
+ 7875 × 500 what gives us 3937500
+ 7875 × 1000 that results in 7875000

= 12166875
