Xiao Ming writes 6 characters every day for 6 days, but Xiao Qiang only writes 9 characters. How many times does Xiao Ming write more characters than Xiao Qiang?
小明每天写6个字，写了6天，小强只写了9个，小明写的字的个数是小强的几倍？
<gadget id="calculator">6 / 9</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">6 * (2/3)</gadget>
<output>4</output>

<result>4</result>