There are two stacks of the same colored paper in the art room of the school. The left stack has 80 sheets and a thickness of 0.6 cm; the right stack has a thickness of 4.2 cm. How many sheets are there on the right?
学校美术室里有两摞同样的彩纸，左边一摞是80张，厚度为0.6厘米；右边一摞彩纸的厚度为4.2厘米，右边的彩纸有多少张？
<gadget id="calculator">0.6 / 80</gadget>
<output>0.0075</output>

<gadget id="calculator">4.2 / 0.0075</gadget>
<output>560</output>

<result>560</result>