The number A is (3/5) of the number B, the number B is 5, and the number C is the reciprocal of the number A. What is the product of these three numbers?
甲数是乙数的(3/5)，乙数是5，丙数是甲数的倒数，这三个数的积是多少？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<result>5</result>