There are 24 boys in a class and 18 girls. How many boys are transferred? At this time, boys account for the whole class (10/19).
某班男生24人，女生18人，转走多少名男生，这时男生占全班的(10/19)．
<gadget id="calculator">24 + 18</gadget>
<output>42</output>

<gadget id="calculator">10 / 19</gadget>
<output>10/19 = around 0.526316</output>

<gadget id="calculator">1 - (10/19)</gadget>
<output>9/19 = around 0.473684</output>

<gadget id="calculator">18 / (9/19)</gadget>
<output>38</output>

<gadget id="calculator">42 - 38</gadget>
<output>4</output>

<result>4</result>