No problem, we've got 5388 and 4272 to multiply
5388 × 4272 = 4272 × (5388)
+ 4272 × 8 that equals 34176
+ 4272 × 80 that equals 341760
+ 4272 × 300 that equals 1281600
+ 4272 × 5000 which equals 21360000

= 23017536
