There is a batch of homework books in the school, and (3/5) of them are taken out and distributed to classes A and B at a ratio of 2:3. It is known that class A has 60 fewer books than class B. How many homework books are there in total?
学校有一批作业本，取出它的(3/5)按2：3的比例分配给甲乙两个班，已知甲班比乙班少分60本，这批作业本一共有多少本？
<gadget id="calculator">3 - 2</gadget>
<output>1</output>

<gadget id="calculator">60 / 1</gadget>
<output>60</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

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

<gadget id="calculator">5 / (3/5)</gadget>
<output>25/3 = around 8.333333</output>

<gadget id="calculator">60 * (25/3)</gadget>
<output>500</output>

<result>500</result>