No problem, we've got 9781 and 3145 to multiply
9781 × 3145 = 3145 × (9781)
+ 3145 × 1 what gives us 3145
+ 3145 × 80 that is equal 251600
+ 3145 × 700 resulting in 2201500
+ 3145 × 9000 resulting in 28305000

= 30761245
