No problem, we've got 1775 and 3515 to multiply
1775 × 3515 = 3515 × (1775)
+ 3515 × 5 which equals 17575
+ 3515 × 70 which equals 246050
+ 3515 × 700 that equals 2460500
+ 3515 × 1000 which equals 3515000

= 6239125
