A section of fabric is 10.3 meters long. Xiaohong’s mother used 2.7 meters to make a pair of trousers and 2.1 meters to make a top. How many meters is left after her mother makes a suit of clothes?
一段布料长10.3米，小红的妈妈做一条裤子用了2.7米，做一件上衣用去了2.1米，妈妈做一套衣服后还剩下多少米？
<gadget id="calculator">2.7 + 2.1</gadget>
<output>4.8</output>

<gadget id="calculator">10.3 - 4.8</gadget>
<output>5.5</output>

<result>5.5</result>