Hope primary school has 50 girls. Girls are 2% less than boys, how many boys are there? What is the column
希望小学有女生50人．女生比男生少2%，男生有多少？列式是多少
<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">1 - (1/50)</gadget>
<output>49/50 = around 0.98</output>

<gadget id="calculator">50 / (49/50)</gadget>
<output>2_500/49 = around 51.020408</output>

<result>2_500/49 = around 51.020408</result>