Xiao Zhang is sitting on the bus, and suddenly finds that Xiao Li is walking in the opposite direction. After 2 minutes, the bus arrives at the stop, and Xiao Zhang goes down to chase Xiao Li. If Xiao Zhang's speed is twice that of Xiao Li, it is the speed of the car ( 1/5), so how many minutes does it take Xiao Zhang to catch up with Xiao Li?
小张坐在公共汽车上，忽然发现小李正在向相反的方向步行，2分钟后，汽车到站，小张下去追小李，如果小张速度是小李的2倍，是汽车速度的(1/5)，那么小张追上小李要多少分钟？
<gadget id="calculator">5 / 1</gadget>
<output>5</output>

<gadget id="calculator">2 * 5</gadget>
<output>10</output>

<gadget id="calculator">2 - 1</gadget>
<output>1</output>

<gadget id="calculator">2 + 10 + 2 + 10</gadget>
<output>24</output>

<result>24</result>