Xiaohong has 50 yuan, Xiaoli's money is Xiaohong's (1/5), Xiaoming's money is Xiaoli's (3/5), how much money does Xiaoming have.
小红有50元钱，小丽的钱数是小红的(1/5)，小明的钱数是小丽的(3/5)，小明有多少元．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">50 * (1/5) * (3/5)</gadget>
<output>6</output>

<result>6</result>