Divide the sum of 100 and 150 by 50, and then divide the quotient by 9, what is the result? What is the column
50去除100与150的和，所得的商再被9除，得多少？列式是多少
<gadget id="calculator">100 + 150</gadget>
<output>250</output>

<gadget id="calculator">250 / 50 / 9</gadget>
<output>5/9 = around 0.555556</output>

<result>5/9 = around 0.555556</result>