Xiaoli bought 30 exercise books at 1 yuan and 2 cents and 20 pens at 12 yuan. How much did she have to pay in total?
小丽买了30本1元2角的练习本和20支12元的钢笔，一共要付多少钱？
<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(6/5) * 30</gadget>
<output>36</output>

<gadget id="calculator">12 * 20</gadget>
<output>240</output>

<gadget id="calculator">36 + 240</gadget>
<output>276</output>

<result>276</result>