No problem, we've got 9971 and 4170 to multiply
9971 × 4170 = 4170 × (9971)
+ 4170 × 1 that is equal 4170
+ 4170 × 70 that is equal 291900
+ 4170 × 900 yielding 3753000
+ 4170 × 9000 resulting in 37530000

= 41579070
