A tree-planting team planted 30,000 trees last year, which is 15% more than last year. Ask the tree-planting team how many trees they will plant this year.
一个植树队去年植树30000棵，今年比去年多种了15%，问这个植树队今年植树多少棵．
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">30_000 * (3/20)</gadget>
<output>4_500</output>

<gadget id="calculator">4_500 + 30_000</gadget>
<output>34_500</output>

<result>34_500</result>