A piece of clothing sold at (2/5) the original price is 30 yuan, what is the original price
一件衣服以原价的(2/5)出售是30元，则原价是多少元
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">30 / (2/5)</gadget>
<output>75</output>

<result>75</result>