The school bought 8 basketballs at 16.5 yuan each and 10 volleyballs at 12.5 yuan each. How much was the total cost?
学校买了8个篮球，每个16.5元，买了10个排球，每个12.5元，一共用了多少元？
<gadget id="calculator">8 * 16.5</gadget>
<output>132</output>

<gadget id="calculator">10 * 12.5</gadget>
<output>125</output>

<gadget id="calculator">132 + 125</gadget>
<output>257</output>

<result>257</result>