In A/B=20, the dividend A is multiplied by 2, and the divisor B is divided by 2, what is the quotient.
在A/B=20中，被除数A乘2，除数B除以2，商多少．
<gadget id="calculator">20 * 2 * 2</gadget>
<output>80</output>

<result>80</result>