There is such an ancient poem describing spring: spring water is full of spring ponds, and spring grass grows in spring. 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. The whole poem has 30 characters in total, among which "spring" appears a lot. Please calculate how much the number of words in "Spring" accounts for the total number of words.
有这样一首描写春的古诗：春水春池满，春时春草生．春树绽春蕊，春雨伴春风．春人饮春酒，春鸟弄春色．全诗共30字，其中"春"出现特别多．请算一算，"春"的字数占总字数的多少．
<gadget id="calculator">12 / 30</gadget>
<output>2/5 = around 0.4</output>

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