When a number is divided by 20, the quotient is 80; when this number is divided by 2, what is the quotient
一个数除以20，商是80；这个数除以2，商是多少
<gadget id="calculator">80 / 2</gadget>
<output>40</output>

<gadget id="calculator">20 * 40</gadget>
<output>800</output>

<result>800</result>