Boys accounted for (5/11) in Class 1, and 4 girls were transferred later. This means that the ratio of boys to girls is 5:7. How many people are there in the class now?
六1班男生占(5/11)，后来又转来了4名女生，这是男生与女生人数的比是5：7，现在全班有多少人？
<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">11 - 5</gadget>
<output>6</output>

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(7/5) - (6/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">4 / (1/5)</gadget>
<output>20</output>

<gadget id="calculator">20 * (7/5)</gadget>
<output>28</output>

<gadget id="calculator">20 + 28</gadget>
<output>48</output>

<result>48</result>