A modern electric car carries a battery with a 300~/text{MJ} (3 / times 10^{8}~/text{Joule}) 300 MJ (3*10 8 Joule) energy capacity. If the power used by the car while traveling at a steady pace of 25 / frac{m}{s}25 s m is measured to be 17.7~/text{kW}17.7 kW, estimate the maximum driving range of the car on a full battery. Give your answer in kilometers
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