No problem, we've got 7870 and 2822 to multiply
7870 × 2822 = 2822 × (7870)
+ 2822 × 0 which equals 0
+ 2822 × 70 that is equal 197540
+ 2822 × 800 that results in 2257600
+ 2822 × 7000 what gives us 19754000

= 22209140
