There are 8 white balls and 6 yellow balls in a box, what is the probability of touching the white ball?
一个盒子里有8个白球，6个黄球，摸到白球的可能性是多少．
<gadget id="calculator">8 + 6</gadget>
<output>14</output>

<gadget id="calculator">8 / 14</gadget>
<output>4/7 = around 0.571429</output>

<result>4/7 = around 0.571429</result>