There are 400 chickens in the east yard, and there are fewer (3/8) chickens in the west yard than in the east yard. How many more chickens are there in the east yard than in the west yard?
东院里有400只鸡，西院里的鸡比东院少(3/8)，东院比西院多多少只鸡？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">400 * (3/8)</gadget>
<output>150</output>

<result>150</result>