A cylindrical empty bucket can hold 9 cups of water or 8 bowls of water. Now pour 3 cups of water and 4 bowls of water into the empty bucket, and the water level rises to the level of the empty bucket.
一只圆柱形空桶里可装9杯水或8碗水，现将3杯水和4碗水倒入空桶中，水位上升到空桶的多少．
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">3 * (1/9)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">4 * (1/8)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/3) + (1/2)</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>