No problem, we've got 1615 and 6356 to multiply
1615 × 6356 = 6356 × (1615)
+ 6356 × 5 that results in 31780
+ 6356 × 10 that equals 63560
+ 6356 × 600 resulting in 3813600
+ 6356 × 1000 what gives us 6356000

= 10264940
