Number A is 60, Number B is (1/3) of Number A, Number C is (1/4) of Number B, what is the number of C?
甲数是60，乙数是甲数的(1/3)，丙数是乙数的(1/4)，丙数是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">60 * (1/3) * (1/4)</gadget>
<output>5</output>

<result>5</result>