The sum of 6.5 and 3.2, multiplied by their difference, what is the product.
6.5与3.2的和，乘它们的差，积是多少．
<gadget id="calculator">6.5 + 3.2</gadget>
<output>9.7</output>

<gadget id="calculator">6.5 - 3.2</gadget>
<output>3.3</output>

<gadget id="calculator">9.7 * 3.3</gadget>
<output>32.01</output>

<result>32.01</result>