PROGRAMMING:Conversion from miles to kilometers
Write a program to read the miles, then convert it to kilometers and display the results. A mile is about 1.609 kilometers.
2 decimal places are reserved for the output.
###Input example:
```in
ten point one
```
###Output example:
```out
Km: 16.25
```
Note: the output contains the word kilometer, followed by a colon in English.
answer：If there is no answer, please comment
2 decimal places are reserved for the output.
###Input example:
```in
ten point one
```
###Output example:
```out
Km: 16.25
```
Note: the output contains the word kilometer, followed by a colon in English.
answer：If there is no answer, please comment