No problem, we've got 2534 and 7915 to multiply
2534 × 7915 = 7915 × (2534)
+ 7915 × 4 what gives us 31660
+ 7915 × 30 resulting in 237450
+ 7915 × 500 giving us 3957500
+ 7915 × 2000 that results in 15830000

= 20056610
