The size of the shoe refers to the length of the sole, usually in "yard" or centimeter. The relationship between them is: yardage=2*cm-10. Naughty bought a pair of sandals in size 37, how many centimeters is the sole length?
鞋的尺码是指鞋底的长度，通常用"码"或厘米作单位，他们之间的关系为：码数=2*厘米数-10．淘气新买了一双37码的凉鞋，鞋底长多少厘米．
<gadget id="calculator">37 + 10</gadget>
<output>47</output>

<gadget id="calculator">47 / 2</gadget>
<output>47/2 = around 23.5</output>

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