No problem, we've got 9782 and 2102 to multiply
9782 × 2102 = 2102 × (9782)
+ 2102 × 2 that results in 4204
+ 2102 × 80 which equals 168160
+ 2102 × 700 what gives us 1471400
+ 2102 × 9000 yielding 18918000

= 20561764
