No problem, we've got 1987 and 2166 to multiply
1987 × 2166 = 2166 × (1987)
+ 2166 × 7 that results in 15162
+ 2166 × 80 resulting in 173280
+ 2166 × 900 that results in 1949400
+ 2166 × 1000 that is equal 2166000

= 4303842
