45 students in Class 5•1 participated in tree planting, among which (2/5) students were responsible for digging pits, and the rest were responsible for tree planting. How many students are there in tree planting?
五•一班45名同学参加植树，其中(2/5)的同学负责挖坑，其余的同学负责植树，植树的同学有多少人？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">45 * (3/5)</gadget>
<output>27</output>

<result>27</result>