Zhang Liang made 24 shots and missed 6 shots when he shot basketball. What is the success rate of his shots?
张亮投篮球，24次投中，6次没投中，他投球的成功率是多少．
<gadget id="calculator">24 + 6</gadget>
<output>30</output>

<gadget id="calculator">24 / 30</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>