If the number of A is (2/3) of the number of B, and the number of B is (3/5) of the number of C, then the number of C is more than the number of A.
若甲数是乙数的(2/3)，乙数是丙数的(3/5)，则丙数比甲数多多少．
<gadget id="calculator">5 - 2</gadget>
<output>3</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>