No problem, we've got 7707 and 2579 to multiply
7707 × 2579 = 2579 × (7707)
+ 2579 × 7 what gives us 18053
+ 2579 × 00 producing 0
+ 2579 × 700 that is equal 1805300
+ 2579 × 7000 that equals 18053000

= 19876353
