A division formula, the dividend and the quotient are both 40, the remainder is 0, what is the divisor?
一道除法算式，被除数和商都是40，余数是0，除数是多少．
<gadget id="calculator">40 - 0</gadget>
<output>40</output>

<gadget id="calculator">40 / 40</gadget>
<output>1</output>

<result>1</result>