There were 106 vehicles parked in the parking lot yesterday, and the number of vehicles parked today is twice that of yesterday. How many vehicles were parked in the parking lot in the past two days?
停车场昨天停车106辆，今天停车的辆数是昨天的2倍，这两天停车场一共停了多少辆车？
<gadget id="calculator">106 * 2</gadget>
<output>212</output>

<gadget id="calculator">212 + 106</gadget>
<output>318</output>

<result>318</result>