There are 5 red balls, 3 yellow balls and 2 white balls in a box. A ball is randomly drawn from the box. The probability of drawing a yellow ball is ((())/(())).
一个盒子里有5个红球、3个黄球和2个白球，从盒子里任意摸出一个球，摸到黄球的可能性是((())/(()))．
<gadget id="calculator">5 + 3 + 2</gadget>
<output>10</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

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