There are 45 color TVs in the store, and 21 refrigerators are 10 times more than color TVs. How many refrigerators does the store have?
商店有彩电45台，冰箱比彩电的10倍还多21台．商店有冰箱多少台？
<gadget id="calculator">45 * 10</gadget>
<output>450</output>

<gadget id="calculator">450 + 21</gadget>
<output>471</output>

<result>471</result>