The area to be painted in a certain room is 62 square meters. If 0.5 liters of paint is required per square meter, there will be a loss of 10% during the actual painting. How many liters of paint are needed in total?
某房间需要粉刷的面积是62平方米，若每平方米需要涂料0.5升，在实际粉刷时有10%的损耗．共需要涂料多少升？
<gadget id="calculator">62 * 0.5</gadget>
<output>31</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">31 / (9/10)</gadget>
<output>310/9 = around 34.444444</output>

<result>310/9 = around 34.444444</result>