Put 2 red pencils and 8 pink pencils into a cloth bag, take out 1 piece from the cloth bag each time (put it back after you take it out), touch it 20 times, what is the approximate number of times the red pencils are drawn out of the total number of times ．
把2支红铅笔和8支粉铅笔放进一个布袋里，每次从布袋中摸出1支(摸出后放回)，摸20次，摸出红铅笔的次数大约占总次数的多少．
<gadget id="calculator">2 + 8</gadget>
<output>10</output>

<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>