We're going to solve 9784 multiplied by 1590
9784 × 1590 = 1590 × (9784)
+ 1590 × 4 yielding 6360
+ 1590 × 80 what gives us 127200
+ 1590 × 700 giving us 1113000
+ 1590 × 9000 that is equal 14310000

= 15556560
