When painting a classroom of 120 square meters, it generally needs to be painted twice. About 0.5 liters of paint is used per square meter for the first pass, and the paint required per square meter for the second pass is the first pass (3/5). How much paint is needed in total?
粉刷120平方米的教室时，一般需要刷两遍．第一遍每平方米约用涂料0.5升，第二遍每平方米所需涂料是第一遍的(3/5)．一共需要多少涂料？
<gadget id="calculator">0.5 * 120</gadget>
<output>60</output>

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

<gadget id="calculator">60 * (3/5)</gadget>
<output>36</output>

<gadget id="calculator">60 + 36</gadget>
<output>96</output>

<result>96</result>