There are 4 times as many girls as boys in a literature and art group. Later, 7 boys joined the literature and art group. At that time, the number of boys was only 1/3 of that of girls. How many people are there in the literature and art group now?
某文艺小组女生人数是男生的4倍，后来又有7名男生参加文艺小组，这时男生人数也只有女生的(1/3)，现在文艺小组共有几人？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/3) - (1/4)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">7 / (1/12)</gadget>
<output>84</output>

<gadget id="calculator">84 * (1/3)</gadget>
<output>28</output>

<gadget id="calculator">84 + 28</gadget>
<output>112</output>

<result>112</result>