Xiao Ming had some lucky money, he took out (3/5) and donated it to the Yushu disaster area, and later, he took out the rest (3/4) to donate to the Zhouqu disaster area. At this time, there was still 30 yuan left. How much is the New Year's money?
小明有一些压岁钱，他拿出了(3/5)捐给了玉树灾区，后来，他又拿出余下的(3/4)捐给舟曲灾区，这时，还剩30元钱，小明原来有压岁钱多少元？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">30 / (1/4) / (2/5)</gadget>
<output>300</output>

<result>300</result>