No problem, we've got 1355 and 4375 to multiply
1355 × 4375 = 4375 × (1355)
+ 4375 × 5 that is equal 21875
+ 4375 × 50 which equals 218750
+ 4375 × 300 that is equal 1312500
+ 4375 × 1000 that equals 4375000

= 5928125
