No problem, we've got 9453 and 9121 to multiply
9453 × 9121 = 9121 × (9453)
+ 9121 × 3 resulting in 27363
+ 9121 × 50 that equals 456050
+ 9121 × 400 what gives us 3648400
+ 9121 × 9000 that is equal 82089000

= 86220813
