No problem, we've got 9879 and 4094 to multiply
9879 × 4094 = 4094 × (9879)
+ 4094 × 9 that is equal 36846
+ 4094 × 70 that equals 286580
+ 4094 × 800 what gives us 3275200
+ 4094 × 9000 that is equal 36846000

= 40444626
