<gadget id="calculator">172 - 30</gadget>
<output>142</output>

<result>142</result>
Isaac had 30 Biscuit. Maria giveed him some more. Now Isaac has 172 Biscuit. How many did Maria give him?
Isaac had 30 Biscuit. Maria giveed him some more. Now Isaac has 172 Biscuit. How many did Maria give him?