No problem, we've got 1102 and 3889 to multiply
1102 × 3889 = 3889 × (1102)
+ 3889 × 2 resulting in 7778
+ 3889 × 00 which equals 0
+ 3889 × 100 what gives us 388900
+ 3889 × 1000 what gives us 3889000

= 4285678
