There are 147 flowers of red and yellow. If the ratio of the number of two flowers is 3:4, which color has more flowers? How many flowers?
有红、黄两种颜色的花147朵．如果两种花的数量比是3：4，哪种颜色的花多？多多少朵？
<gadget id="calculator">4 + 3</gadget>
<output>7</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">(4/7) - (3/7)</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">147 * (1/7)</gadget>
<output>21</output>

<result>21</result>