The students made 180 yellow flowers, and the number of yellow flowers was more than that of red flowers (1/5). How many red flowers were made?
同学们做黄花180朵，做黄花的朵数比红花多(1/5)，做红花多少朵？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">180 / (6/5)</gadget>
<output>150</output>

<result>150</result>