Girls in a certain class account for 21/40 of the whole class, and now a female student is transferred in. How many girls account for the whole class now?
某班女生占全班人数的(21/40)，现在又转进来一个女同学，现在女生占全班人数的多少．
<gadget id="calculator">21 + 1</gadget>
<output>22</output>

<gadget id="calculator">40 + 1</gadget>
<output>41</output>

<gadget id="calculator">22 / 41</gadget>
<output>22/41 = around 0.536585</output>

<result>22/41 = around 0.536585</result>