A basket of apples is 20 yuan, and the price of 4 baskets of grass mold is equivalent to the price of 6 baskets of apples. How much is a basket of strawberries?
一筐苹果20元，4筐草霉的价格相当于6筐苹果的价格，一筐草莓多少元？
<gadget id="calculator">6 / 4</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">20 * (3/2)</gadget>
<output>30</output>

<result>30</result>