No problem, we've got 2116 and 9720 to multiply
2116 × 9720 = 9720 × (2116)
+ 9720 × 6 that equals 58320
+ 9720 × 10 that is equal 97200
+ 9720 × 100 that is equal 972000
+ 9720 × 2000 that equals 19440000

= 20567520
