John goes to the market with €100. He buys a roast for €17 and vegetables for €11. How much money does he have left?
He spent 17 + 11 = €
<gadget id="calculator">17+11</gadget>
<output>28</output>
28.
So, he still has 100 - 28 = €
<gadget id="calculator">100-28</gadget>
<output>72</output>
72 remaining.

<result>72</result>