I bought 8 table tennis balls and 10 badminton balls, and the total cost is 15.8 yuan. The badminton balls are 1.1 yuan each. How much is a table tennis ball?
我买了8个乒乓球和10个羽毛球，共花了15.8元，羽毛球1.1元/个，求乒乓球多少钱一个？
<gadget id="calculator">1.1 * 10</gadget>
<output>11</output>

<gadget id="calculator">15.8 - 11</gadget>
<output>4.8</output>

<gadget id="calculator">4.8 / 8</gadget>
<output>0.6</output>

<result>0.6</result>