A swimming pool is 25 meters long. Xiao Liang has already swam 4 rounds in the swimming pool. How many meters has he swum in total?
一个游泳池长25米，小亮在游泳池中已经游了4个来回，他共游了多少米？
<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">25 * 8</gadget>
<output>200</output>

<result>200</result>