No problem, we've got 1778 and 3644 to multiply
1778 × 3644 = 3644 × (1778)
+ 3644 × 8 that equals 29152
+ 3644 × 70 that equals 255080
+ 3644 × 700 resulting in 2550800
+ 3644 × 1000 what gives us 3644000

= 6479032
