If China's energy consumption is 60% less than that of the United States, then how much is China's energy consumption compared to that of the United States.
中国的能源消耗比美国少60%，则中国的能源消耗是美国的多少．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>