No problem, we've got 1392 and 8212 to multiply
1392 × 8212 = 8212 × (1392)
+ 8212 × 2 that is equal 16424
+ 8212 × 90 what gives us 739080
+ 8212 × 300 that equals 2463600
+ 8212 × 1000 what gives us 8212000

= 11431104
