To build a cement road with a width of 3.6 meters and a thickness of 20 cm, if 72 cubic meters of concrete are mixed, how many meters of road can be paved?
修筑一条宽3.6米，厚20厘米的水泥路，如果搅拌了72立方米的混凝土，可以铺多少米长的路？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3.6 * (1/5)</gadget>
<output>0.72</output>

<gadget id="calculator">72 / 0.72</gadget>
<output>100</output>

<result>100</result>