100 students in the sixth grade plant 100 trees, male students each plant 3 trees, and every 3 female students only plant one tree, how many male students participate in the tree planting?
六年级100名同学植100棵树，男同学每人植3树，而每3名女同学只植一棵树，有多少名男同学参加植树？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">100 * (1/3)</gadget>
<output>100/3 = around 33.333333</output>

<gadget id="calculator">100 - (100/3)</gadget>
<output>200/3 = around 66.666667</output>

<gadget id="calculator">3 - (1/3)</gadget>
<output>8/3 = around 2.666667</output>

<gadget id="calculator">(200/3) / (8/3)</gadget>
<output>25</output>

<result>25</result>