When the dividend is multiplied by 10 and the divisor is divided by 2, then the quotient is the same.
被除数乘10，除数除以2，则商就多少．
<gadget id="calculator">100 * 10</gadget>
<output>1_000</output>

<gadget id="calculator">50 / 100 / 50</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">1_000 / (1/100) / 100 / 50</gadget>
<output>20</output>

<result>20</result>