In a target shooting exercise, soldier Xiao Wang hit 20 rounds and missed 5 rounds. What is the hit rate?
战士小王在一次打靶练习中，命中20发，有5发未命中，命中率是多少．
<gadget id="calculator">20 + 5</gadget>
<output>25</output>

<gadget id="calculator">20 / 25</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(4/5) * 1</gadget>
<output>4/5 = around 0.8</output>

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