Xiao Ming wrote 80 brush characters when he passed (1/3), how many writings per hour on average?
小明经过(1/3)时写了80个毛笔字，平均每小时写多少个？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">80 / (1/3)</gadget>
<output>240</output>

<result>240</result>