 
 <prompt> ```Anna enweghị 50 mkpụrụokwu ma Harry enweghị nke abụọ Anna's mkpụrụokwu ma ọ bụghị nke abụọ 19 ha. Kedu ihe mkpụrụokwu bụ Harry?``` <response>: ```Ọdịkarịta nke pencils nke Harry bụ 50 * 2 = 100 pencils.
Nkeji nke pencils bụ 100 - 19 = 81 pencils.

Nkọwa bụ 81.``` 