Dongshan Farm planted 55 hectares of corn last year, 15 hectares more than wheat. By what percentage is the area planted with corn greater than the area planted with wheat?
东山农场去年种玉米55公顷，比小麦多15公顷．种玉米的面积比种小麦的面积多百分之几？
<gadget id="calculator">55 - 15</gadget>
<output>40</output>

<gadget id="calculator">15 / 40</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>