No problem, we've got 1524 and 1078 to multiply
1524 × 1078 = 1078 × (1524)
+ 1078 × 4 that results in 4312
+ 1078 × 20 that results in 21560
+ 1078 × 500 giving us 539000
+ 1078 × 1000 which equals 1078000

= 1642872
