<gadget id="calculator">157 - 10</gadget>
<output>147</output>

<result>147</result>
Katherine had 157 Mango. George get hold of some Mango. Now Katherine has 10  Mango. How many did George get hold ofs?
Katherine had 157 Mango. George get hold of some Mango. Now Katherine has 10 Mango. How many did George get hold ofs?