The original ratio of male to female students in a certain class was 4:3. After 3 male students were transferred, male students accounted for 3/5 of the original class size. How many students are there in this class?
某班原来男女生人数比是4：3，转来3名男生后，这时男生占原来全班人数的(3/5)，这个班现有多少人？
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">(3/2) - (4/3)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">3 / (1/6)</gadget>
<output>18</output>

<gadget id="calculator">18 * (3/2)</gadget>
<output>27</output>

<gadget id="calculator">27 + 18</gadget>
<output>45</output>

<result>45</result>