The number of athletes is a continuous integer starting from 1, starting from the first row and first column, and a square matrix is arranged according to the number from small to large. Xiao Ming's number is 43, he is in the fifth row and third column, how many people are there?
运动员的编号是从1开始的连续整数，从第一行第一列开始，按照编号从小到大排一个方阵．小明的编号是43，他排在第5行第3列，共有多少人？
<gadget id="calculator">43 - 3</gadget>
<output>40</output>

<gadget id="calculator">40 / 4</gadget>
<output>10</output>

<gadget id="calculator">10 * 10</gadget>
<output>100</output>

<result>100</result>