There were 206 mobile phones in Zhangcun Township 3 years ago, and now the number of mobile phones is 13 times that of 3 years ago. How many mobile phones are there now?
张村乡3年前有手机206部，现在手机的部数是3年前的13倍，现在有手机多少部？
<gadget id="calculator">206 * 13</gadget>
<output>2_678</output>

<result>2_678</result>