Alright, let's work through 1987 times 2016 step by step
1987 × 2016 = 2016 × (1987)
+ 2016 × 7 giving us 14112
+ 2016 × 80 what gives us 161280
+ 2016 × 900 that is equal 1814400
+ 2016 × 1000 resulting in 2016000

= 4005792
