The quotient is 21. If the dividend is reduced by 10 times and the divisor is increased by 10 times, what is the quotient?
商是21，如果被除数缩小10倍，除数扩大10倍，那么商是多少．
<gadget id="calculator">210 / 10 / 100</gadget>
<output>21/100 = around 0.21</output>

<result>21/100 = around 0.21</result>