When a number is divided by 7, the quotient is 25 and the remainder is 4. What is this number?
一个数用7除，商是25，余数是4．这个数是多少．
<gadget id="calculator">25 * 7</gadget>
<output>175</output>

<gadget id="calculator">175 + 4</gadget>
<output>179</output>

<result>179</result>