There is a fraction. If 2 is added to the numerator, the fraction is equal to (3/4). If 2 is added to the denominator, the fraction is equal to (1/2). What is the fraction?
有一个分数，如果分子加2，这个分数等于(3/4)，如果分母加2，这个分数就等于(1/2)，这个分数是多少？
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">7 + 2</gadget>
<output>9</output>

<gadget id="calculator">(4/3) * 9</gadget>
<output>12</output>

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<result>7/12 = around 0.583333</result>