There are four manual groups doing manual work. Groups A, B, and C make 32 pieces on average each, and groups B, C, and D make an average of 35 pieces per team. It is known that team D makes 40 pieces. How many pieces does Team A make?
有四个手工小组做手工，甲、乙、丙三组平均每组做32个，乙、丙、丁三组平均每队做35个，已知丁队做40个，甲队做多少个？
<gadget id="calculator">32 * 3</gadget>
<output>96</output>

<gadget id="calculator">96 + 40</gadget>
<output>136</output>

<gadget id="calculator">35 * 3</gadget>
<output>105</output>

<gadget id="calculator">136 - 105</gadget>
<output>31</output>

<result>31</result>