One day, Xiao Lin went to his grandfather's house by car. The speed of the bus was 52.6 km/h. Xiao Lin started at 8:20 and did not arrive at his grandfather's house until 11:20. How many kilometers was Xiao Lin's house from his grandfather's house?
一天小林乘车去爷爷家，客车的速度是52.6千米/时，小林从8：20开始出发直到11：20才到爷爷家，小林家离爷爷家有多少千米？
<gadget id="calculator">52.6 * 3</gadget>
<output>157.8</output>

<result>157.8</result>