No problem, we've got 7138 and 517 to multiply
7138 × 517 = 517 × (7138)
+ 517 × 8 which equals 4136
+ 517 × 30 what gives us 15510
+ 517 × 100 resulting in 51700
+ 517 × 7000 what gives us 3619000

= 3690346
