The number of students in a class is between 40 and 50, and the number of boys is 5/6 of the number of girls. How many boys are there?
某班学生人数在40～50之间，男生人数是女生人数的(5/6)，男生有多少人．
<gadget id="calculator">5 + 6</gadget>
<output>11</output>

<gadget id="calculator">5 / 11</gadget>
<output>5/11 = around 0.454545</output>

<gadget id="calculator">44 * (5/11)</gadget>
<output>20</output>

<result>20</result>