Number A is 20, Number B is (1/6) of Number A, Number C is (6/5) of Number B, what is the number of C?
甲数是20，乙数是甲数的(1/6)，丙数是乙数的(6/5)，丙数是多少．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">20 * (1/6) * (6/5)</gadget>
<output>4</output>

<result>4</result>