The car company sold a total of 120 cars from March 28 to April 2. How many cars are sold per day on average?
汽车公司从3月28日到4月2日共卖汽车120辆．平均每天卖多少辆？
<gadget id="calculator">31 - 28</gadget>
<output>3</output>

<gadget id="calculator">3 + 1 + 2</gadget>
<output>6</output>

<gadget id="calculator">120 / 6</gadget>
<output>20</output>

<result>20</result>