There are 13 rows of rose flowers planted in the flower bed of the school, 12 in each row. Also planted 8 rows of chrysanthemums, 24 in each row, how many fewer roses are planted than chrysanthemums?
学校花坛里栽了13排月季花，每排12棵．还栽了8排菊花，每排24棵，月季花比菊花少栽了多少棵？
<gadget id="calculator">8 * 24</gadget>
<output>192</output>

<gadget id="calculator">13 * 12</gadget>
<output>156</output>

<gadget id="calculator">192 - 156</gadget>
<output>36</output>

<result>36</result>