Xiao Wang hit 45 rounds in practice shooting and missed 5 rounds. What is Xiao Wang's hit rate?
小王练习射击打中了45发，5发没有打中，小王射击的命中率是多少．
<gadget id="calculator">45 + 5</gadget>
<output>50</output>

<gadget id="calculator">45 / 50</gadget>
<output>9/10 = around 0.9</output>

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

<gadget id="calculator">(9/10) * 1</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>