When a number is divided by 8, the quotient is 35 and the remainder is the largest. What is the number?
一个数除以8，商是35，余数最大，这个数是多少．
<gadget id="calculator">35 * 8</gadget>
<output>280</output>

<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">280 + 7</gadget>
<output>287</output>

<result>287</result>