The running speed of an elephant is 45 km/h, and the speed of the cheetah is 0.3 km more than twice its speed. What is the running speed of the cheetah?
一只大象奔跑的速度是45千米/时，猎豹的速度比它速度的2倍还多0.3千米，猎豹奔跑的速度是多少千米/时？
<gadget id="calculator">45 * 2</gadget>
<output>90</output>

<gadget id="calculator">90 + 0.3</gadget>
<output>90.3</output>

<result>90.3</result>