The winter vacation is coming, in order to carry out the "Bringing Books Home Activity". The library purchased 960 story books, 30 less than five times the art books. How many art books did the library buy?
寒假快到了，为开展好"把图书带回家活动"．图书室购进故事类图书960本，比艺术类图书的5倍少30本，图书室购进了多少本艺术类图书？
<gadget id="calculator">960 + 30</gadget>
<output>990</output>

<gadget id="calculator">990 / 5</gadget>
<output>198</output>

<result>198</result>