A bottle of milk is 120ml. Liangliang drank it for the first time (1/3), then filled the bottle with water, and drank it again (3/4). How many milliliters of pure milk did Liangliang drink for the second time?
一瓶牛奶120毫升，亮亮第一次喝了(1/3)，然后在瓶里兑满水，又接着喝去了(3/4)．亮亮第二次喝了纯牛奶多少毫升？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">120 * (2/3) * (3/4)</gadget>
<output>60</output>

<result>60</result>