Easily Multiply any Number with 11

Want to know how to calculate multiples of 11 at your fingertips ?

Lets take an Example ,

1. If you want 235 x 11 = ?
2. Write the left most number first                                                     2
3. Now add first digit with second and write it after first one           25
4. Repeat the procedure.        (3+5=8)                                               258
5. At last write the Leftmost number                                                 2585

So 235 x 11 = 2585

Wasn't That too Simple ???