Xiao Zhang works in a supermarket from April 20th to May 25th. Earning 25 yuan a day, how much does Xiao Zhang earn in total?
小张在某超市打工，4月20日开始到5月25日结束．每天挣25元，小张共挣多少元？
<gadget id="calculator">36 * 25</gadget>
<output>900</output>

<result>900</result>