No problem, we've got 7720 and 2897 to multiply
7720 × 2897 = 2897 × (7720)
+ 2897 × 0 what gives us 0
+ 2897 × 20 resulting in 57940
+ 2897 × 700 that results in 2027900
+ 2897 × 7000 that results in 20279000

= 22364840
