The little sloppy is 143 cm tall, and the classroom door is 2 meters high. How much shorter is the little sloppy than the classroom door?
小马虎身高143厘米，教室的门高2米，小马虎比教室的门矮多少？
<gadget id="calculator">2 * 100</gadget>
<output>200</output>

<gadget id="calculator">200 - 143</gadget>
<output>57</output>

<result>57</result>