A shooter conducts shooting practice with a hit rate of 90% and 180 shots. How many bullets have been fired?
一名射击运动员进行射击练习，命中率90%，命中180发，共射了多少发子弹？
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">180 / (9/10)</gadget>
<output>200</output>

<result>200</result>