No problem, we've got 9751 and 421 to multiply
9751 × 421 = 421 × (9751)
+ 421 × 1 yielding 421
+ 421 × 50 what gives us 21050
+ 421 × 700 that is equal 294700
+ 421 × 9000 that is equal 3789000

= 4105171
