No problem, we've got 7212 and 3963 to multiply
7212 × 3963 = 3963 × (7212)
+ 3963 × 2 that is equal 7926
+ 3963 × 10 what gives us 39630
+ 3963 × 200 resulting in 792600
+ 3963 × 7000 which equals 27741000

= 28581156
