Ma Jingsheng's grandfather walked 88 meters every morning. How many meters did he walk in the morning in the first quarter of this year?
马京升的爷爷每天早上都要散步88米，他今年第一季度早晨散步一共走了多少米？
<gadget id="calculator">31 + 28 + 31</gadget>
<output>90</output>

<gadget id="calculator">88 * 90</gadget>
<output>7_920</output>

<result>7_920</result>