Jiang Saire is 130 cm tall, and the door of the classroom is 3 meters high. How many centimeters is Jiang Saire shorter than the door?
江赛热身高130厘米，教室的门高3米，江赛热比门矮多少厘米？
<gadget id="calculator">3 * 100</gadget>
<output>300</output>

<gadget id="calculator">300 - 130</gadget>
<output>170</output>

<result>170</result>