Dabu Primary School has 200 science and technology books, which is 40 less than the 24% of story books. How many story books does our school have?
大埠小学有科技书200本，比故事书的24%少40本，我校有故事书多少本？
<gadget id="calculator">200 + 40</gadget>
<output>240</output>

<gadget id="calculator">24 / 100</gadget>
<output>6/25 = around 0.24</output>

<gadget id="calculator">240 / (6/25)</gadget>
<output>1_000</output>

<result>1_000</result>