In an art exhibition in Yongxing Primary School, there were 240 crayon paintings, equivalent to 60% of watercolor paintings. How many watercolor paintings are there?
永兴小学在一次画展中，蜡笔画有240幅，相当于水彩画的60%，水彩画有多少幅？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">240 / (3/5)</gadget>
<output>400</output>

<result>400</result>