No problem, we've got 2744 and 7779 to multiply
2744 × 7779 = 7779 × (2744)
+ 7779 × 4 that equals 31116
+ 7779 × 40 that results in 311160
+ 7779 × 700 that is equal 5445300
+ 7779 × 2000 what gives us 15558000

= 21345576
