The town forest farm planted 20 hectares last year, and this year it plans to increase by 15% compared to last year. How many hectares are planned to be planted this year?
镇林场去年造林20公顷，今年计划比去年增加15%，今年计划造林多少公顷？
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 + (3/20)</gadget>
<output>23/20 = around 1.15</output>

<gadget id="calculator">20 * (23/20)</gadget>
<output>23</output>

<result>23</result>