Damaged things need to be compensated: the glass counter in the supermarket is 4.5 meters long, 5 cm wide, and 60 cm high. Li Chao accidentally broke the glass in front. How much money do you have to pay?
损坏东西要赔：超市的玻璃柜台长4.5米，宽5厘米，高60厘米，李超不小心把前面那块玻璃弄破了，如果要整块赔偿，按20元/平方米算，李超要赔多少元钱．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">4.5 * (3/5) * 20</gadget>
<output>54</output>

<result>54</result>