No problem, we've got 6423 and 7447 to multiply
6423 × 7447 = 7447 × (6423)
+ 7447 × 3 that results in 22341
+ 7447 × 20 giving us 148940
+ 7447 × 400 giving us 2978800
+ 7447 × 6000 that is equal 44682000

= 47832081
