There are 5 white balls and 3 yellow balls in a box, if one is drawn randomly, what is the probability that the yellow ball will be drawn after one touch.
一个箱子里有5个白球、3个黄球，任意摸出1个，摸一次就摸到黄球的可能性是多少．
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>