In order to encourage saving electricity, a power company in a certain city stipulates the following calculation method of electricity charges: monthly electricity consumption does not exceed 100 kwh, charged at 0.52 yuan per kwh; The fee is 0.6 yuan per hour. Xiaohong's family paid 68.2 yuan for electricity in December. How many kilowatt-hours does his household use?
为了鼓励节约用电，某市电力公司规定以下的电费计算方法：每月用电量不超过100千瓦时，按每千瓦时0.52元收费；每月用电超过100千瓦时，超过部分按每千瓦时0.6元收费．小红家12月份付电费68.2元，他家用电多少千瓦时？
<gadget id="calculator">100 * 0.52</gadget>
<output>52</output>

<gadget id="calculator">68.2 - 52</gadget>
<output>16.2</output>

<gadget id="calculator">16.2 / 0.6</gadget>
<output>27</output>

<gadget id="calculator">100 + 27</gadget>
<output>127</output>

<result>127</result>