What is the product of the sum of 2.5 and 7.5 times 2.5 divided by 0.5?
2.5与7.5的和乘2.5除以0.5的商，积是多少？
<gadget id="calculator">2.5 + 7.5</gadget>
<output>10</output>

<gadget id="calculator">2.5 / 0.5</gadget>
<output>5</output>

<gadget id="calculator">10 * 5</gadget>
<output>50</output>

<result>50</result>