There is a shooting competition held in the summer camp. There are 50 people participating. Each person shoots 3 bullets and hits 105 shots. Calculate the hit rate of this competition.
夏令营举行射击比赛，有50人参加，每人3发子弹，命中105发，算算这次比赛的命中率．
<gadget id="calculator">50 * 3</gadget>
<output>150</output>

<gadget id="calculator">105 / 150</gadget>
<output>7/10 = around 0.7</output>

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

<gadget id="calculator">(7/10) * 1</gadget>
<output>7/10 = around 0.7</output>

<result>7/10 = around 0.7</result>