Mom took 300 yuan to go to the supermarket, bought a sweater and spent 180 yuan, and the remaining money just bought 2 barrels of peanut oil. How much is a barrel of peanut oil?
妈妈拿了300元钱去逛超市，买了一件毛衣花了180元，剩下的钱正好买了2桶花生油，每桶花生油多少钱？
<gadget id="calculator">300 - 180</gadget>
<output>120</output>

<gadget id="calculator">120 / 2</gadget>
<output>60</output>

<result>60</result>