No problem, we've got 2615 and 7963 to multiply
2615 × 7963 = 7963 × (2615)
+ 7963 × 5 that is equal 39815
+ 7963 × 10 that equals 79630
+ 7963 × 600 that results in 4777800
+ 7963 × 2000 yielding 15926000

= 20823245
