The number A is 720, the number B is (1/6) the number A, and the number A is (4/3) times the number C. What is the number of propylene.
甲数是720，乙数是甲数的(1/6)，甲数是丙数的(4/3)倍．丙数是多少．
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">720 / (4/3)</gadget>
<output>540</output>

<result>540</result>