Calculated on average, 9 chickens can lay 27 eggs in 6 days, so how many eggs can 5 chickens lay in 4 days?
按平均数计算，9只鸡6天能生27个蛋，那么5只鸡4天能生多少个蛋．
<gadget id="calculator">27 / 9 / 6</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 5 * 4</gadget>
<output>10</output>

<result>10</result>