The school biology team made 28 insect specimens, and the number of plant specimens produced was 2 times less than that of insect specimens. How many plant specimens did the biology team produce?
学校生物小组制作了28件昆虫标本，制作的植物标本比昆虫标本的2倍少2件．生物小组制作了多少件植物标本？
<gadget id="calculator">28 * 2</gadget>
<output>56</output>

<gadget id="calculator">56 - 2</gadget>
<output>54</output>

<result>54</result>