No problem, we've got 7166 and 2187 to multiply
7166 × 2187 = 2187 × (7166)
+ 2187 × 6 that results in 13122
+ 2187 × 60 that is equal 131220
+ 2187 × 100 which equals 218700
+ 2187 × 7000 that results in 15309000

= 15672042
