A bouquet of flowers is 30 yuan, buy 5 bouquets and get one free. Aunt Wang buys 5 bundles at a time, how much is each bundle cheaper?
一束鲜花30元，买5束送一束．王阿姨一次买5束，每束便宜多少元？
<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">30 / 6</gadget>
<output>5</output>

<gadget id="calculator">30 / 6 / 6</gadget>
<output>5/6 = around 0.833333</output>

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

<gadget id="calculator">30 - 25</gadget>
<output>5</output>

<result>5</result>