If △+△+△=60, △*□=6, what is the number represented by □
若△+△+△=60，△*□=6，□表示的数是多少
<gadget id="calculator">60 / 3</gadget>
<output>20</output>

<gadget id="calculator">6 / 20</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>