The Children's Palace spent 900 yuan to buy 12 radios, and 2,100 yuan to buy one color TV. How many times the price of a color TV is the price of a radio?
少年宫买12台收音机用去900元，买一台彩电用去2100元，一台彩电的价钱是一台收音机价钱的多少倍？
<gadget id="calculator">900 / 12</gadget>
<output>75</output>

<gadget id="calculator">2_100 / 75</gadget>
<output>28</output>

<result>28</result>