Wang Ming used 15 pieces of plasticine to make 4 airplane models. How many pieces of plasticine did each airplane model use on average?
王明用15块橡皮泥做了4个飞机模型，平均每个飞机模型用多少块橡皮泥？
<gadget id="calculator">15 / 4</gadget>
<output>15/4 = around 3.75</output>

<result>15/4 = around 3.75</result>