In May of this year, a car sales company sold a ratio of 5:2 of the number of cars and minivans. The total sales of these two types of vehicles were 1,400. How many more cars were sold than minivans?
一家汽车销售公司今年5月份销售小轿车和小货车数量的比是5：2，这两种车共销售了1400辆，小轿车比小货车多卖了多少辆？
<gadget id="calculator">5 + 2</gadget>
<output>7</output>

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">1_400 * (5/7)</gadget>
<output>1_000</output>

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1_400 * (2/7)</gadget>
<output>400</output>

<gadget id="calculator">1_000 - 400</gadget>
<output>600</output>

<result>600</result>