There are about 40 varieties of lilies, and rhododendrons are about 17 times that of lilies. How many varieties of rhododendrons are there?
百合花约有40个品种，杜鹃花大约是百合花的17倍，杜鹃花大约有多少个品种？
<gadget id="calculator">40 * 17</gadget>
<output>680</output>

<result>680</result>