When two numbers are divided, the quotient is 30, the dividend is multiplied by 2, the divisor is also multiplied by 2, what is the quotient
两个数相除，商是30，被除数乘2，除数也乘2，商为多少
<gadget id="calculator">0.6 * 2</gadget>
<output>1.2</output>

<gadget id="calculator">0.02 * 2</gadget>
<output>0.04</output>

<gadget id="calculator">1.2 / 0.04</gadget>
<output>30</output>

<result>30</result>