If the number of safflowers is 2/3 of that of yellow flowers, then the number of yellow flowers is the number of safflowers
如果红花的朵数是黄花的(2/3)，那么黄花的朵数是红花的多少
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 / (2/3)</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>