To welcome New Year's Day, the school made a batch of paper flowers, including 140 red flowers, and more yellow flowers than red flowers (2/7). How many red flowers and yellow flowers are there?
为迎接元旦，学校制作了一批纸花，其中红花140朵，黄花比红花多(2/7)，红花、黄花共有多少朵？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 + (2/7)</gadget>
<output>9/7 = around 1.285714</output>

<gadget id="calculator">140 * (9/7)</gadget>
<output>180</output>

<gadget id="calculator">180 + 140</gadget>
<output>320</output>

<result>320</result>