When Mr. Wang drove from home to school, the fuel consumption was 0.54 liters when the road was smooth, which was 10% less fuel consumption than when the road was congested. How many liters was consumed when the road was congested?
王老师开车从家到学校，在道路通畅的情况下耗油0.54升，比在道路拥堵的情况下耗油量节省了10%，在道路拥堵的情况下耗油多少升？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">0.54 / (9/10)</gadget>
<output>0.6</output>

<result>0.6</result>