Xiao Min's family raises 30 chickens, which is 1/2 more than the number of ducks. How many chickens and ducks does Xiao Min's family raise in total?
小敏家养鸡30只，比养的鸭多(1/2)，小敏家共养鸡、鸭多少只．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">30 / (3/2)</gadget>
<output>20</output>

<gadget id="calculator">20 + 30</gadget>
<output>50</output>

<result>50</result>