A cuboid tank with a length of 15 cm and a width of 12 cm is filled with water 10 cm deep. After placing a cube stone with a side length of 6 cm, what is the depth of the water at this time?
一个长15厘米、宽12厘米的长方体水槽，里面装10厘米深的水，将一个棱长6厘米的正方体石块放入后，此时水深多少？
<gadget id="calculator">6 * 6 * 6</gadget>
<output>216</output>

<gadget id="calculator">15 * 12</gadget>
<output>180</output>

<gadget id="calculator">216 / 180</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(6/5) + 10</gadget>
<output>56/5 = around 11.2</output>

<result>56/5 = around 11.2</result>