Each step that Xiaohong takes is 55 centimeters. In physical education class, he walked a total of 102 steps from one end of the playground to the other. How many meters did Xiaohong walk back and forth?
小红每走一步是55厘米，上体育课他从操场这头走到那头共走了102步，请问小红来回共走了多少米？
<gadget id="calculator">55 / 100</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">(11/20) * 102 * 2</gadget>
<output>561/5 = around 112.2</output>

<result>561/5 = around 112.2</result>