Xiao Zhang’s electricity consumption last month was 62.6 degrees, and this month’s electricity consumption was 6.8 degrees less than last month. How many degrees of electricity did Xiao Zhang’s family share in the past two months?
小张家上个月用电62.6度，这个月比上个月少用电6.8度，这两个月小张家一共用电多少度？
<gadget id="calculator">62.6 - 6.8</gadget>
<output>55.8</output>

<gadget id="calculator">62.6 + 55.8</gadget>
<output>118.4</output>

<result>118.4</result>