It is known that the sum of the dividend, divisor, quotient, and remainder is 1600, the divisor is 30, and the remainder is 10. What is the quotient?
已知被除数、除数、商、余数的和是1600，除数是30，余数是10，商是多少．
<gadget id="calculator">1_600 - 30 - 10 - 10</gadget>
<output>1_550</output>

<gadget id="calculator">30 + 1</gadget>
<output>31</output>

<gadget id="calculator">1_550 / 31</gadget>
<output>50</output>

<result>50</result>