A lead cube with side length of 10 cm is melted into a lead bar with a length of 20 cm and a thickness of 5 cm. What is the width of the lead bar in centimeters?
把一个棱长为10cm的正方体铅块熔成一根长20cm，厚5cm的铅条，这根铅条的宽是多少厘米？
<gadget id="calculator">10 * 10 * 10</gadget>
<output>1_000</output>

<gadget id="calculator">20 * 5</gadget>
<output>100</output>

<gadget id="calculator">1_000 / 100</gadget>
<output>10</output>

<result>10</result>