There are 48 students in a row, Xiao Hua is the 43rd from the bottom, and Xiao Ming is the 10th from the bottom, how many people are there between them?
一排学生48人，小花顺数是第43名，小明倒数是第10名，他们两人间相隔多少人．
<gadget id="calculator">10 - 6</gadget>
<output>4</output>

<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<result>3</result>