Alright, let's work through 5257 times 6987 step by step
5257 × 6987 = 6987 × (5257)
+ 6987 × 7 that equals 48909
+ 6987 × 50 that results in 349350
+ 6987 × 200 what gives us 1397400
+ 6987 × 5000 yielding 34935000

= 36730659
