No problem, we've got 7578 and 1004 to multiply
7578 × 1004 = 1004 × (7578)
+ 1004 × 8 which equals 8032
+ 1004 × 70 which equals 70280
+ 1004 × 500 what gives us 502000
+ 1004 × 7000 what gives us 7028000

= 7608312
