There are 41 students in the fourth grade class. The average math score of the whole class is 91 in the final quality survey. What is the approximate total math score of this class?
四年级一班共有41名同学，期末质量调研检测全班数学平均91分，这个班数学总分大约是多少分．
<gadget id="calculator">91 * 41</gadget>
<output>3_731</output>

<result>3_731</result>