There were originally 67 students in the classroom, boys went out (1/5), girls went out 5 people, and the remaining girls were 1 less than boys, how many girls were there in the classroom?
教室原有67名同学，男生出去了(1/5)，女生出去5人，剩下的女生比男生少1人，教室里原有女生多少人？
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">67 - 4</gadget>
<output>63</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 + (4/5)</gadget>
<output>9/5 = around 1.8</output>

<gadget id="calculator">63 / (9/5)</gadget>
<output>35</output>

<gadget id="calculator">67 - 35</gadget>
<output>32</output>

<result>32</result>