Xiaohong bought a piece of colored paper, and used up this paper (7/10) to make safflower, and used the rest to cut five-pointed stars. How much of this colored paper was used to cut five-pointed stars?
小红买了一张彩纸，做红花用去了这张纸的(7/10)，剩下的她用来剪五角星，剪五角星用去了这张彩纸的几分之几？
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">1 - (7/10)</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>