There are several students in the sixth grade of Xiangyang Primary School. If the number of boys is reduced by 3, the number of boys is (3/5) the number of girls. If the number of girls is reduced by 3, the number of girls is 1 (1/2) times that of boys. How many students are there?
向阳小学六年级有学生若干名，如果男生减少3人，男生的人数是女生人数的(3/5)，如果女生人数减少3人，女生人数是男生的1(1/2)倍，六年级有多少名学生？
<gadget id="calculator">9 / 2</gadget>
<output>9/2 = around 4.5</output>

<gadget id="calculator">3 + (9/2)</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1 - (9/10)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(15/2) / (1/10)</gadget>
<output>75</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">75 * (3/5)</gadget>
<output>45</output>

<gadget id="calculator">75 + 45 + 3</gadget>
<output>123</output>

<result>123</result>