<gadget id="calculator">253 - 9</gadget>
<output>244</output>

<result>244</result>
Victor had 253 Book. Nannette clasped some Book. Now Victor has 9  Book. How many did Nannette claspeds?
Victor had 253 Book. Nannette clasped some Book. Now Victor has 9 Book. How many did Nannette claspeds?