An engineering team dug earth for 7 consecutive days, digging 210 cubic meters every day. How many square meters did the engineering team dig in total?
一个工程队挖土方，连续挖7天，每天都挖210方．这个工程队共挖多少方？
<gadget id="calculator">210 * 7</gadget>
<output>1_470</output>

<result>1_470</result>