The school biology team made 56 insect specimens, and the number of plant specimens produced was 4 times less than that of insect specimens. How many plant specimens did the biology team make?
学校生物小组制作昆虫标本56件，制作的植物标本比昆虫标本的4倍少4件，生物小组制作植物标本多少件？
<gadget id="calculator">56 * 4</gadget>
<output>224</output>

<gadget id="calculator">224 - 4</gadget>
<output>220</output>

<result>220</result>