When a number is divided by a single digit, the quotient is 50 and the maximum remainder is 6. What is this number?
一个数除以一位数，商是50，余数最大是6，这个数是多少
<gadget id="calculator">6 + 1</gadget>
<output>7</output>

<gadget id="calculator">50 * 7</gadget>
<output>350</output>

<gadget id="calculator">350 + 6</gadget>
<output>356</output>

<result>356</result>