No problem, we've got 5407 and 7849 to multiply
5407 × 7849 = 7849 × (5407)
+ 7849 × 7 what gives us 54943
+ 7849 × 00 that is equal 0
+ 7849 × 400 that equals 3139600
+ 7849 × 5000 yielding 39245000

= 42439543
