Xiaofang was doing a math problem. She should have divided by 3, but she carelessly multiplied by 3. Now the result is 279. What should be the correct number?
小芳做一道数学题，原来应该除以3，她却粗心地算成了乘3，现在得到的结果是279，原来的正确的得数应该是多少？
<gadget id="calculator">279 / 3 / 3</gadget>
<output>31</output>

<result>31</result>