The size of shoes is usually in "yard" or "centimeter", and the conversion relationship between them is: b=2a-10. (b indicates the size, a indicates the centimeter) According to the relationship, how many centimeters are the shoes in size 37.
鞋的尺码通常用"码"或"厘米"作单位，它们之间的换算关系是：b=2a-10．(b表示码数，a表示厘米数)根据关系，37码的鞋子是多少厘米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 37</gadget>
<output>37/2 = around 18.5</output>

<gadget id="calculator">(37/2) + 5</gadget>
<output>47/2 = around 23.5</output>

<result>47/2 = around 23.5</result>