Alright, let's work through 5710 times 1987 step by step
5710 × 1987 = 1987 × (5710)
+ 1987 × 0 that equals 0
+ 1987 × 10 that is equal 19870
+ 1987 × 700 resulting in 1390900
+ 1987 × 5000 which equals 9935000

= 11345770
