There are more girls in Class A than boys (1/3). It is known that there are 12 girls. How many boys are there?
甲班的女生比男生多(1/3)，已知女生12人，男生多少人？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">12 / (4/3)</gadget>
<output>9</output>

<result>9</result>