The students were doing oral calculations. Xiaolin got all the questions right (9/10), exactly 45 questions, and Xiao Ming got all the questions right (24/25). How many oral calculations are there in total? How many did Xiao Ming get right?
同学们做口算题，小林做对了全部题目的(9/10)，恰好是45道，小明做对了全部题目的(24/25)，一共有几道口算题？小明做对了几道？
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">45 / (9/10)</gadget>
<output>50</output>

<gadget id="calculator">24 / 25</gadget>
<output>24/25 = around 0.96</output>

<gadget id="calculator">50 * (24/25)</gadget>
<output>48</output>

<result>48</result>