Xiaoqiang's father's car consumes an average of 0.09 liters of fuel per kilometer, and his home is about 17 kilometers away from the school. How many liters of gasoline does his father consume to pick up Xiaoqiang to school every day (two trips a day)?
小强爸爸的车平均每千米耗油0.09升，他家距离学校约17千米，爸爸每天接送小强上学要消耗多少升汽油(每天往返两次)？
<gadget id="calculator">17 * 4 * 0.09</gadget>
<output>6.12</output>

<result>6.12</result>