Silently read the ancient poem "Spring": spring water and spring ponds are full, spring enters and spring grass grows. The spring tree blooms with spring stamens, and the spring rain is accompanied by the spring breeze. Spring people drink spring wine, and spring birds make spring scenery. In this poem, the author recites the spring with emotion and is in high spirits. The whole poem has 30 characters in total, among which the word "spring" appears a lot. Please do the math, what percentage of the word "chun" accounts for the total number of words in the whole poem?
默读古诗《春》：春水春池满，春进春草生．春树绽春蕊，春雨伴春风．春人饮春酒，春鸟弄春色．作者在这道诗中放情吟春，神采飞扬．全诗共30字，其中"春"字出现的特别多．请算一算，"春"的字数占全诗总字数的百分之几？
<gadget id="calculator">12 / 30</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>