No problem, we've got 1575 and 1107 to multiply
1575 × 1107 = 1107 × (1575)
+ 1107 × 5 that is equal 5535
+ 1107 × 70 resulting in 77490
+ 1107 × 500 resulting in 553500
+ 1107 × 1000 what gives us 1107000

= 1743525
