A florist has 10 lilies in a bunch, the purchase price is 56 yuan per bunch, and 8.5 yuan per bunch at retail, and 28 lilies are sold in one morning, how much is the total profit?
花店百合花每束10枝，进货价每束56元，零售时每枝8.5元，一天上午卖出百合花28枝，一共盈利多少元？
<gadget id="calculator">56 / 10</gadget>
<output>28/5 = around 5.6</output>

<gadget id="calculator">8.5 - (28/5)</gadget>
<output>2.9</output>

<gadget id="calculator">2.9 * 28</gadget>
<output>81.2</output>

<result>81.2</result>