The central primary school has 46 fewer boys than the total number of students in the school (4/7), and 35 more girls than the total number of students in the school (4/9). How many more boys than girls?
中心小学男生比全校学生总数的(4/7)少46人，女生比全校学生总数的(4/9)多35人，男生比女生多多少人？
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">693 * (4/7)</gadget>
<output>396</output>

<gadget id="calculator">396 - 46</gadget>
<output>350</output>

<gadget id="calculator">693 - 350</gadget>
<output>343</output>

<gadget id="calculator">350 - 343</gadget>
<output>7</output>

<result>7</result>