36 sets of chorus costumes and 14 sets of dance costumes were prepared for the children's day performance. If each suit uses an average of 1.8 meters of cloth, how many meters of cloth are needed in total?
六一儿童节文艺汇演，准备了36套合唱服、14套舞蹈服．如果每套服装平均用布1.8米，一共需要布料多少米？
<gadget id="calculator">36 + 14</gadget>
<output>50</output>

<gadget id="calculator">50 * 1.8</gadget>
<output>90</output>

<result>90</result>