The engineering team repaired a 4.5-kilometer road, 0.58 kilometers on the first day, and 0.62 kilometers on the second day. How many kilometers are left unrepaired?
工程队修一条长4.5千米的路，第一天修了0.58千米，第二天修了0.62千米．还剩多少千米没修？
<gadget id="calculator">0.58 + 0.62</gadget>
<output>1.2</output>

<gadget id="calculator">4.5 - 1.2</gadget>
<output>3.3</output>

<result>3.3</result>