Li Fei investigated the electricity consumption of his home in the first quarter. In January, the electricity consumption was 45 kWh, in February, the electricity consumption was 36 kWh, and in March, the electricity consumption was 120% of that in January. How many kWh did you use in March?
李飞调查了自己家第一季度用电情况，一月份用电45千瓦时，二月份用电36千瓦时，三月份用电量是一月份的120%．三月份用电多少千瓦时？
<gadget id="calculator">120 / 100</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">45 * (6/5)</gadget>
<output>54</output>

<result>54</result>