A water cup is 9 cm long, 6 cm wide, and 5 cm high. The water in the cup is only 1 cm high. After adding an iron block, the water height is 4 cm. What is the volume in cubic centimeters when the iron block is added?
一个长9厘米，宽6厘米，高5厘米的水杯，杯中水只有1厘米高，加入铁块后水高4厘米，加入铁块的体积是多少立方厘米？
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">9 * 6 * 3</gadget>
<output>162</output>

<result>162</result>