The store sells a barrel of vegetable oil, 16 barrels are sold in the morning, and 38 barrels are sold in the afternoon and evening, and the total collection is 1971 yuan. How much is this vegetable oil per barrel?
商店卖一种桶装的菜油，上午卖出16桶，下午和晚上又卖出38桶，共收款1971元．这种菜油每桶多少元？
<gadget id="calculator">16 + 38</gadget>
<output>54</output>

<gadget id="calculator">1_971 / 54</gadget>
<output>73/2 = around 36.5</output>

<result>73/2 = around 36.5</result>