If 3 hens lay 5 eggs in 2 days, how many eggs can 6 hens lay in 12 days?
3只母鸡2天产了5个鸡蛋，那么6只母鸡12天能产多少个蛋．
<gadget id="calculator">5 / 3 / 2</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(5/6) * 6 * 12</gadget>
<output>60</output>

<result>60</result>