Xiaoming's family raises 300 chickens and ducks, of which chickens account for (2/3) of the ducks. How many ducks does Xiao Ming raise?
小明家养鸡鸭共300只，其中鸡的只数占鸭的(2/3)．小明家养鸭多少只？
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

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

<gadget id="calculator">300 * (3/5)</gadget>
<output>180</output>

<result>180</result>