When two numbers are divided, the quotient is 19. If the dividend is multiplied by 20 and the divisor is divided by 4, what is the quotient?
两个数相除，商是19，如果被除数乘以20，除数除以4，那么商变为多少．
<gadget id="calculator">20 * 4</gadget>
<output>80</output>

<gadget id="calculator">19 * 80</gadget>
<output>1_520</output>

<result>1_520</result>