There are 16 yellow and white ping-pong balls of the same size in the bag, so that the probability of touching the white ping-pong ball is (5/8), how many yellow ping-pong balls should be put in the bag.
袋子里有大小相同的16个黄色和白色的乒乓球，要使摸到白色乒乓球的可能性为(5/8)，袋子里应放黄色乒乓球多少个．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">16 * (3/8)</gadget>
<output>6</output>

<result>6</result>