Dad used 2.6 meters of fabric to make a jacket, and 0.8 meters less fabric to make trousers than to make a jacket. How many meters of fabric does dad use to make a suit of clothes?
爸爸做一件上衣用去2.6米的布料，做裤子比做上衣少用0.8米布料．爸爸做一套衣服用布料多少米？
<gadget id="calculator">2.6 - 0.8</gadget>
<output>1.8</output>

<gadget id="calculator">1.8 + 2.6</gadget>
<output>4.4</output>

<result>4.4</result>