No problem, we've got 5910 and 1440 to multiply
5910 × 1440 = 1440 × (5910)
+ 1440 × 0 which equals 0
+ 1440 × 10 that equals 14400
+ 1440 × 900 giving us 1296000
+ 1440 × 5000 that is equal 7200000

= 8510400
