A batch of homework books, take out (2/5) of them, and distribute them to Class A and B according to the ratio of 2:3. As a result, Class A has 60 fewer books than Class B. How many homework books are there in this batch?
一批作业本，取出它的(2/5)，按2：3分给甲乙两班，结果甲班比乙班少分60本，这批作业共有多少本？
<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">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">5 / (2/5)</gadget>
<output>25/2 = around 12.5</output>

<gadget id="calculator">60 * (25/2)</gadget>
<output>750</output>

<result>750</result>