<gadget id="calculator">23 - 5</gadget>
<output>18</output>

<result>18</result>
William had some plum. Blanche gave him 5 more. Now William has 23 plum. How many plum did William have in the first?
William had some plum. Blanche gave him 5 more. Now William has 23 plum. How many plum did William have in the first?