Update README.md

Author: tommygonzaleza

exercises/015-car_route/README.md

@@ -9,7 +9,7 @@ A car can cover distance of `N` kilometers per day. How many days will it take t
 ## Example input:
 
 ```py
-car_route(700
+car_route(700)
 ```
 
 ## Example output:
@@ -24,4 +24,4 @@ car_route(700
 
 + If you don't know how to start solving this assignment, please, review a theory for this lesson: https://snakify.org/lessons/integer_float_numbers/
 
-+ You may also try step-by-step theory chunks: https://snakify.org/lessons/integer_float_numbers/steps/1/
++ You may also try step-by-step theory chunks: https://snakify.org/lessons/integer_float_numbers/steps/1/