The florist is running a sales promotion. Each pot of roses costs 30 yuan. Buy 5 pots and get 1 free. Aunt Li bought 12 pots of flowers. How much did you spend in total?
花店搞促销活动，每盆月季花30元，买5盆送1盆，李阿姨买了12盆花，一共用了多少钱？
<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">30 * (5/6)</gadget>
<output>25</output>

<gadget id="calculator">12 * 25</gadget>
<output>300</output>

<result>300</result>