The school bought 540 new books, of which science books accounted for (1/6) and story books accounted for (1/3). How many copies of technology books and story books were bought?
学校买来540本新书，其中科技书占(1/6)，故事书占(1/3)．科技书和故事书共买来多少本？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/6) + (1/3)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">540 * (1/2)</gadget>
<output>270</output>

<result>270</result>