Put 6 red pencils and 4 blue pencils in a bag, and put them back into the bag after picking out one at a time, what is the probability of finding red pencils?
把6支红铅笔和4支蓝铅笔放在一个包里，每次摸出1支后再放回包里，摸到红铅笔的可能性为多少．
<gadget id="calculator">6 + 4</gadget>
<output>10</output>

<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>