What is (4/5) of (2/3) of 120?
120的(2/3)的(4/5)是多少．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">120 * (2/3) * (4/5)</gadget>
<output>64</output>

<result>64</result>