cuboid steel block with a length of 7 cm, a width of 5 cm and a height of 4 cm is cast into a cylindrical part. The base area of this part is 35 square centimeters, what is the height in centimeters?
把一个长7厘米，宽5厘米，高4厘米的长方体钢块，铸成一个圆柱形零件．这个零件的底面积是35平方厘米，高是多少厘米？
<gadget id="calculator">4 / 35</gadget>
<output>4/35 = around 0.114286</output>

<gadget id="calculator">7 * 5 * (4/35)</gadget>
<output>4</output>

<result>4</result>