A clothing store buys a batch of shirts, including 150 men's shirts, and 20 more women's shirts than men's shirts (2/5). How many blouses to buy?
服装店购进一批衬衫，其中男式衬衫150件，女式衬衫比男式衬衫的(2/5)多20件．购进女式衬衫多少件？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">150 * (2/5)</gadget>
<output>60</output>

<gadget id="calculator">60 + 20</gadget>
<output>80</output>

<result>80</result>