No problem, we've got 7835 and 8900 to multiply
7835 × 8900 = 8900 × (7835)
+ 8900 × 5 that is equal 44500
+ 8900 × 30 resulting in 267000
+ 8900 × 800 producing 7120000
+ 8900 × 7000 resulting in 62300000

= 69731500
