No problem, we've got 6374 and 6428 to multiply
6374 × 6428 = 6428 × (6374)
+ 6428 × 4 that is equal 25712
+ 6428 × 70 that results in 449960
+ 6428 × 300 what gives us 1928400
+ 6428 × 6000 that equals 38568000

= 40972072
