road construction team completed a road construction task of 3.5 kilometers in the first 12 days of July; in order to complete the task as soon as possible, they had to build 0.2 kilometers more than three times the completed task in the remaining 19 days. How many kilometers of road construction will this road construction team complete in total?
某筑路工程队，在七月份前12天完成了3.5千米的筑路任务；为了早日完成任务，在余下的19天里要修筑已完成任务的3倍还要多0.2千米．这个筑路队共要完成多少千米的筑路任务？
<gadget id="calculator">3.5 * 3</gadget>
<output>10.5</output>

<gadget id="calculator">10.5 + 0.2</gadget>
<output>10.7</output>

<gadget id="calculator">3.5 + 10.7</gadget>
<output>14.2</output>

<result>14.2</result>