Xiaohong's home is 752 meters away from the school. She started from home to go to school. When she walked 120 meters, she found that she didn't take her math books. She went home to get the books and then went to school. How many meters did she walk in one day?
小红的家离学校752米，她从家出发去上学，走到120米的时候发现数学书没拿，又回家去拿书再到学校，她这一天一共走了多少米？
<gadget id="calculator">120 * 2</gadget>
<output>240</output>

<gadget id="calculator">240 + 752</gadget>
<output>992</output>

<result>992</result>