No problem, we've got 7022 and 1815 to multiply
7022 × 1815 = 1815 × (7022)
+ 1815 × 2 yielding 3630
+ 1815 × 20 what gives us 36300
+ 1815 × 000 resulting in 0
+ 1815 × 7000 what gives us 12705000

= 12744930
