Xiao Li asked Xiao Wang: "How many people are there in your family?" Xiao Wang replied: "The (3/4) of my family plus (3/4) people is equal to the number of people in my family." Then how many people does Xiao Wang have? people.
小利问小王："你们家共有几口人呢？"小王答道："我家人数的(3/4)再加上(3/4)个人，就等于我家的人数．"则小王家共有多少人．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(3/4) / (1/4)</gadget>
<output>3</output>

<result>3</result>