<gadget id="calculator">35 - 4</gadget>
<output>31</output>

<result>31</result>
Marilyn had some pear. Eugene gave him 4 more. Now Marilyn has 35 pear. How many pear did Marilyn have in the first?
Marilyn had some pear. Eugene gave him 4 more. Now Marilyn has 35 pear. How many pear did Marilyn have in the first?