There are 3 yellow balls in a pocket, the number of yellow balls is 1/4 of that of red balls, and the number of green balls is 1/12 of that of red balls. What is the probability of randomly touching a green ball in the pocket?
一个口袋中有3个黄球，黄球个数是红球的(1/4)，绿球个数是红球的(1/12)．在口袋中任意摸到绿球的可能性是几分之几？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3 / (1/4)</gadget>
<output>12</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/12) / 4</gadget>
<output>1/48 = around 0.020833</output>

<gadget id="calculator">12 * (1/48)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">12 * (1/12)</gadget>
<output>1</output>

<gadget id="calculator">3 + 12 + 1</gadget>
<output>16</output>

<gadget id="calculator">(1/12) / 16</gadget>
<output>1/192 = around 0.005208</output>

<gadget id="calculator">12 * (1/192)</gadget>
<output>1/16 = around 0.0625</output>

<result>1/16 = around 0.0625</result>