There are 144 teachers in the experimental middle school, one-third of which are male teachers. How many male teachers are there?
实验中学有教师144人，男教师占三分之一，问男教师有多少人？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">144 * (1/3)</gadget>
<output>48</output>

<result>48</result>