Alright, let's work through 1507 times 6510 step by step
1507 × 6510 = 6510 × (1507)
+ 6510 × 7 which equals 45570
+ 6510 × 00 that is equal 0
+ 6510 × 500 yielding 3255000
+ 6510 × 1000 which equals 6510000

= 9810570
