Xiao Lin and Xiao Ding buy the same kind of rice, Xiao Lin bought 20 kilograms for 60 yuan, and Xiao Ding bought 60 kilograms, how much did it cost?
小林和小丁购买同一种大米，小林买20千克花了60元，小丁买60千克，花了多少元？
<gadget id="calculator">60 / 20</gadget>
<output>3</output>

<gadget id="calculator">3 * 60</gadget>
<output>180</output>

<result>180</result>