The ratio of red flowers to yellow flowers in the flower basket is 5:4, how much less yellow flowers than red flowers
花篮里红花与黄花数量的比是5：4，则黄花比红花少多少
<gadget id="calculator">5 - 4</gadget>
<output>1</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>