A road maintenance worker spreads 19.5 cubic meters of sand on a 50-meter-wide road with a width of 3 meters. What is the thickness of the sand in centimeters? (solution with equation)
养路工人把19.5立方米的沙子铺在一条50米、宽3米的路上，铺的沙子的厚度是多少厘米？(用方程解答)
<gadget id="calculator">19.5 / 150</gadget>
<output>0.13</output>

<gadget id="calculator">0.13 * 100</gadget>
<output>13</output>

<result>13</result>