The starting price of a taxi in our county is 5 yuan, and the starting distance is 3 kilometers (that is, you pay 5 yuan if the starting distance is less than 3 kilometers). If the distance exceeds 3 kilometers, you will be charged 1.5 yuan per kilometer. The total fare from home to school is 15.5 yuan. How far is his home from school?
我县出租车起步价为5元，起步路程为3千米(即开始行驶路程在3千米以内都付5元)若超过3千米，则超过的路程每千米收1.5元，王老师从家到学校共付车费15.5元，他家离学校有多远？
<gadget id="calculator">15.5 - 5</gadget>
<output>10.5</output>

<gadget id="calculator">10.5 / 1.5</gadget>
<output>7</output>

<gadget id="calculator">7 + 3</gadget>
<output>10</output>

<result>10</result>