In order to save water, a city stipulates that if the monthly water consumption of users does not exceed 30 tons, the water fee will be 1.00 yuan per ton, and if it exceeds 30 tons, the excess part will be charged by 50%. Xiao Ming's family pays 36 yuan for water in May, how many tons of water does Xiao Ming's family use in May.
为节约用水，某市规定：凡每月用户用水量不超过30吨的，每吨收水费1.00元，超过30吨的，超过部分增收50%．小明家五月交纳水费36元，小明家五月份用水多少吨．
<gadget id="calculator">30 * 1</gadget>
<output>30</output>

<gadget id="calculator">36 - 30</gadget>
<output>6</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

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

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

<gadget id="calculator">6 / (3/2)</gadget>
<output>4</output>

<gadget id="calculator">30 + 4</gadget>
<output>34</output>

<result>34</result>