The charging standard of a taxi in a certain city is: the starting price is 10 yuan within 3 kilometers, 1.8 yuan per kilometer from 3 to 5 kilometers, and 2.7 yuan per kilometer after 5 kilometers. Now when Xiao Lin takes a taxi home from school, he just pays the driver 46 yuan. So, how many kilometers is the school from Kobayashi's house?
某市出租车的收费标准是：3千米以内起步价10元，3至5千米每千米1.8元，5千米以后每千米2.7元．现在小林从学校乘出租车到家时，恰好付给司机46元．那么，学校距小林家有多少千米．
<gadget id="calculator">2 * 1.8</gadget>
<output>3.6</output>

<gadget id="calculator">46 - 10 - 3.6</gadget>
<output>32.4</output>

<gadget id="calculator">32.4 / 2.7</gadget>
<output>12</output>

<gadget id="calculator">12 + 5</gadget>
<output>17</output>

<result>17</result>