Xiaohua swam 2 laps along a rectangular swimming pool with a length of 80 meters and a width of 60 meters. How many meters did Xiaohua swim?
小华沿着一个长80米，宽60米的长方形游泳池游了2圈，小华游了多少米．
<gadget id="calculator">80 + 60</gadget>
<output>140</output>

<gadget id="calculator">140 * 2 * 2</gadget>
<output>560</output>

<result>560</result>