 
 <prompt> Tom buy 10 packages of small small racing cars. Each package get five cars. E share 1/5 of the cars give hin two nephews. How many small small racing cars remain with Tom? <response>: ```Tom get 10 x 5 = 50 small racing cars.
Tom give 50 x 1/5 = 10 small racing cars to each of im two nephews.
So, he give total of 10 x 2 = 20 cars to im two nephews.
So, Tom get 50 - 20 = 30 small racing cars.

The final answer: 30.``` 