Sandy sold lemonade in her neighborhood. She got 17 half-dollars on Saturday and 6 half-dollars on Sunday. What amount of money did Sandy receive?
<gadget id="calculator">17 * 0.5</gadget>
<output>8.5</output>

<gadget id="calculator">6 * 0.5</gadget>
<output>3</output>

<gadget id="calculator">8.5 + 3</gadget>
<output>11.5</output>

<result>11.5</result>