A cuboid has a width of 7 cm, a length 4 times its width, and a height of 9 cm. What is its volume?
一个长方体，宽是7厘米，长是宽的4倍，高是9厘米你，求它的体积是多少？
<gadget id="calculator">197 + 252 + 63</gadget>
<output>512</output>

<gadget id="calculator">512 * 2</gadget>
<output>1_024</output>

<result>1_024</result>