An elephant eats 90 bananas a day, and a baby elephant eats 60 bananas a day. How many bananas does an elephant eat in a week?
一头大象每天要吃90根香蕉，一头小象每天要吃60根香蕉．一头大象一个星期要吃多少根香蕉？
<gadget id="calculator">90 * 7</gadget>
<output>630</output>

<result>630</result>