<gadget id="calculator">169 - 1</gadget>
<output>168</output>

<result>168</result>
James had 1 quince. Dorothea supplyed him some more. Now James has 169 quince. How many did Dorothea supply him?
James had 1 quince. Dorothea supplyed him some more. Now James has 169 quince. How many did Dorothea supply him?