A brick is 12 cm wide, twice as long as it is wide, and half as thick as it is wide, what is the volume of this brick?
一块砖宽是12厘米，长是宽的2倍，厚是宽的一半，这块砖的体积是多少．
<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">24 * 12 * 6</gadget>
<output>1_728</output>

<result>1_728</result>