No problem, we've got 7540 and 2478 to multiply
7540 × 2478 = 2478 × (7540)
+ 2478 × 0 what gives us 0
+ 2478 × 40 giving us 99120
+ 2478 × 500 that equals 1239000
+ 2478 × 7000 that results in 17346000

= 18684120
