Let's calculate 9781 x 7645
9781 × 7645 = 7645 × (9781)
+ 7645 × 1 that is equal 7645
+ 7645 × 80 that results in 611600
+ 7645 × 700 that equals 5351500
+ 7645 × 9000 what gives us 68805000

= 74775745
