Alright, let's work through 1590 times 7510 step by step
1590 × 7510 = 7510 × (1590)
+ 7510 × 0 producing 0
+ 7510 × 90 that results in 675900
+ 7510 × 500 what gives us 3755000
+ 7510 × 1000 what gives us 7510000

= 11940900
