No problem, we've got 1805 and 3979 to multiply
1805 × 3979 = 3979 × (1805)
+ 3979 × 5 that equals 19895
+ 3979 × 00 which equals 0
+ 3979 × 800 that results in 3183200
+ 3979 × 1000 which equals 3979000

= 7182095
