A cylindrical oil tank has a bottom area of 3.12 decimeters and a depth of 5 decimeters. Fill it with oil and pour it into another cuboid oil tank whose bottom surface is 3 decimeters long and 2 decimeters wide. How many decimeters is the oil depth?
一个圆柱形的油箱，底面积是3.12平方分米，深是5分米．把它装满油倒入另一个底面长3分米，宽2分米的长方体油箱内，油深是多少分米？
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">3.12 * (5/6)</gadget>
<output>2.6</output>

<result>2.6</result>