Xinfei mobile phone factory produces an average of 6,210 mobile phones per month. How many mobile phones are produced in a year? (calculate with a calculator)
新飞手机厂平均每月生产手机6210部，全年生产手机多少部？(用计算器计算)
<gadget id="calculator">6_210 * 12</gadget>
<output>74_520</output>

<result>74_520</result>