Xiaohua from class 3 and 2 insisted on doing 10 cross-point math problems every day. How many cross-point math problems did Xiaohua calculate in total in January?
三2班的小华坚持每天算10道口算题，一月份，小华共算多少道口算题？
<gadget id="calculator">10 * 31</gadget>
<output>310</output>

<result>310</result>