The area to be painted in a certain room is about 64 square meters. In the case of no loss, 0.5 liters of paint is required per square meter. If there is a 15% loss during actual painting, how many liters of paint are needed in total?
某房间需粉刷的面积约为64平方米，在无损耗的情况下，每平方米需用涂料0.5升．如果在实际粉刷时有15%的损耗，共需涂料多少升？
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 + (3/20)</gadget>
<output>23/20 = around 1.15</output>

<gadget id="calculator">64 * 0.5 * (23/20)</gadget>
<output>36.8</output>

<result>36.8</result>