Xiaohua insists on practicing brush calligraphy for 1 hour every day, writing 2 words per minute, how many words can be written in a week.
小华每天坚持练习毛笔字1小时，每分钟写2个，1周可以写多少个．
<gadget id="calculator">2 * 60 * 7</gadget>
<output>840</output>

<result>840</result>