Alright, let's work through 1509 times 6587 step by step
1509 × 6587 = 6587 × (1509)
+ 6587 × 9 what gives us 59283
+ 6587 × 00 which equals 0
+ 6587 × 500 resulting in 3293500
+ 6587 × 1000 giving us 6587000

= 9939783
