6 cats catch 6 mice in 6 minutes, how many cats are needed to catch 100 mice in 100 minutes?
6只猫6分钟捉6只老鼠，请问100分内捉100只老鼠要多少只猫？
<gadget id="calculator">100 / 6</gadget>
<output>50/3 = around 16.666667</output>

<gadget id="calculator">100 / (50/3)</gadget>
<output>6</output>

<result>6</result>