The teacher in the library brings 1,500 yuan to the bookstore to buy story books. He plans to buy 50 books, but 15 yuan is still missing. How much is each story book?
图书室的老师带1,500元到书店买故事书，计划买50本，但还缺少15元．每本故事书多少元？
<gadget id="calculator">1_500 + 15</gadget>
<output>1_515</output>

<gadget id="calculator">1_515 / 50</gadget>
<output>303/10 = around 30.3</output>

<result>303/10 = around 30.3</result>