During the Arbor Day, the school will carry out tree planting activities, and the ratio of the number of willows to poplars planted is 3:5. It is known that 60 willows have been planted, how many poplars have been planted?
植树节期间学校开展植树活动，种下柳树与杨树的棵数的比是3：5．已知柳树栽了60棵，那么杨树栽了多少棵？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">60 / (3/8)</gadget>
<output>160</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">160 * (5/8)</gadget>
<output>100</output>

<result>100</result>